11242 + Mcqs in Chemistry Page 74 McqOptions

3651.	Which of the following is a biodegradable polymer?
A.	Cellulose
B.	Polythene
C.	Polyvinyl chloride
D.	Nylon-6
Answer» B. Polythene

Discussion

3652.	Among cellulose, poly (vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is
A.	nylon
B.	poly (vinyl chloride)
C.	cellulose
D.	natural rubber.
Answer» E.

Discussion

3653.	The compound required for the formation of a thermosetting polymer with methanal is
A.	benzene
B.	phenyl amine
C.	benzaldehyde
D.	phenol
Answer» E.

Discussion

3654.	Arrange the following monomers in order of decreasing ability to undergo cationic polymerisation.(I) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(N{{O}_{2}})\](II) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(C{{H}_{3}})\](III) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(OC{{H}_{3}})\]
A.	I > II > III
B.	II > I > III
C.	III > II > I
D.	I > III > II
Answer» D. I > III > II

Discussion

3655.	Match the following (i) Biodegradable polymer (p) 3-Hydroxybutanoic acid (ii) Bakelite (q) phenol (iii) Neoprene (r) 2-chlorobuta-1, 3-diene (iv) Glyptal (s) phthalic acid
A.	i\[\to \]p; ii\[\to \]q; iii\[\to \]r; iv\[\to \]s
B.	i\[\to \]q; ii\[\to \]p; iii\[\to \]r; iv\[\to \]s
C.	i\[\to \]p; ii\[\to \]q; iii\[\to \]s; iv\[\to \]r
D.	i\[\to \]s; ii\[\to \]r; iii\[\to \]p; iv\[\to \]q
Answer» B. i\[\to \]q; ii\[\to \]p; iii\[\to \]r; iv\[\to \]s

Discussion

3656.	Isotactic polypropylene polymer is one in which
A.	the methyl groups present alternate regularly from one side to the other
B.	all methyl groups are on one side of the extended chain. It is a highly crystalline, has high melting point and forms strong fibres
C.	the methyl groups are distributed at random. It is a soft, elastic and rubbery material
D.	None of the above
Answer» C. the methyl groups are distributed at random. It is a soft, elastic and rubbery material

Discussion

3657.	The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The polydispersity index of the polymer is
A.	<1
B.	>1
C.	1
D.	0
Answer» C. 1

Discussion

3658.	Gutta-percha is
A.	trans-polyisoprene
B.	non-elastic and softens to a plastic ?like material on heating
C.	used in underwater cables and golf balls
D.	All of the above
Answer» D. All of the above

Discussion

3659.	What is not true regarding free radical polymerisation of propene?
A.	Without proper control, atactic polypropylene is produced
B.	During polymerization, a secondary free radical is produced in every step
C.	Use of Ziegler-Natta catalyst results in isotactic polypropylene
D.	During polymerization, a linear, unbranched, crystalline polymer is usually obtained
Answer» E.

Discussion

3660.	A reaction of ethy1amine and acetic anhydride leads to the formation of
A.	\[C{{H}_{3}}NHCOC{{H}_{3}}\]
B.	\[{{C}_{2}}{{H}_{5}}CONHC{{H}_{3}}\]
C.	\[C{{H}_{3}}CONH{{C}_{2}}{{H}_{5}}\]
D.	\[C{{H}_{3}}-CH=N-O{{C}_{2}}{{H}_{5}}\]
Answer» D. \[C{{H}_{3}}-CH=N-O{{C}_{2}}{{H}_{5}}\]

Discussion

3661.	Ethyl methylamine cannot be resolved under normal conditions because
A.	The nitrogen atom rapidly inverts its configuration leading to a racemic mixture
B.	it isomerizes rapidly with the achiral isomer trimethylamine
C.	the favoured configuration is not chiral
D.	the C-N bond is not stable under conditions used for resolution
Answer» B. it isomerizes rapidly with the achiral isomer trimethylamine

Discussion

3662.	Which of the following is a set of enamine?
A.	I and II
B.	II, III and IV
C.	II, IV and V
D.	Only II
Answer» E.

Discussion

3663.	N-Ethyl pthalimide on hydrolysis gives
A.	Methyl alcohol
B.	Ethyl amine
C.	Dimethyl amine
D.	Diethyl amine
Answer» C. Dimethyl amine

Discussion

3664.	An organic compound 'A' \[({{C}_{3}}{{H}_{9}}N)\] reacts with benzene sulphonyl chloride to give a solid insoluble in alkali. The structure of 'A' is
A.	\[C{{H}_{3}}\,NH\,{{C}_{2}}{{H}_{5}}\]
B.	\[{{(C{{H}_{3}})}_{3}}N\]
C.	\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}N{{H}_{2}}\]
D.	insufficient data to predict
Answer» B. \[{{(C{{H}_{3}})}_{3}}N\]

Discussion

3665.	Which of the following compounds will be obtained in the end of the following reaction? Ethyl amine\[\xrightarrow{HN{{O}_{2}}}A\xrightarrow{PC{{l}_{5}}}B\xrightarrow{N{{H}_{3}}}C\]
A.	Ethyl cyanide
B.	Acetamide
C.	Methyl amine
D.	Ethyl amine
Answer» E.

Discussion

3666.	A compound with molecular mass 180 is acylated with \[C{{H}_{3}}COCl\] to get a compound with molecular mass 390 The number of amino groups present per molecule of the former compound is
A.	6
B.	2
C.	5
D.	4
Answer» D. 4

Discussion

3667.	Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains
A.	Mixture of \[{{o}^{-}}\]and p-bromotoluense
B.	Mixture of \[{{o}^{-}}\]and p-dibrombenzenes
C.	Mixture of \[{{o}^{-}}\]and p-bromoanilines
D.	Mixture of \[{{o}^{-}}\]and m-bromoanilnes
Answer» B. Mixture of \[{{o}^{-}}\]and p-dibrombenzenes

Discussion

3668.	What sequence of reactions would best accomplish the following reaction?
A.	(i) \[LiAl{{H}_{4}}\] in ether: (ii) \[{{P}_{2}}{{O}_{5}}\]and heat
B.	(i) \[LiAl{{H}_{4}}\] in ether; (ii) \[3C{{H}_{3}}I\] followed by heating with \[AgOH\]
C.	(i) 20%\[{{H}_{2}}S{{O}_{4}}\]and heat; (ii) \[{{P}_{2}}{{O}_{5}}\] and heat
D.	\[{{H}_{2}}\] and Lindlar catalyst
Answer» C. (i) 20%\[{{H}_{2}}S{{O}_{4}}\]and heat; (ii) \[{{P}_{2}}{{O}_{5}}\] and heat

Discussion

3669.	The order of increasing boiling points among the three compounds is \[{{C}_{2}}{{H}_{5}}ONO(I)\] \[{{C}_{2}}{{H}_{5}}N{{O}_{2}}(II)\] \[{{C}_{2}}{{H}_{6}}(III)\]
A.	III<II<I
B.	I<II<III
C.	III<I<II
D.	III<I\[\approx \]II
Answer» D. III<I\[\approx \]II

Discussion

3670.	In the diazotization of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to:
A.	suppress the concentration of free aniline available for coupling
B.	suppress hydrolysis of phenol
C.	insure a stoichiometric amount of nitrous acid
D.	neutralize the base liberated
Answer» B. suppress hydrolysis of phenol

Discussion

3671.	p-Chloro aniline and anilinium hydrogen chloride can be distinguished by
A.	Sandmeyer reaction
B.	Carbylamine reaction
C.	Hinsberg?s reaction
D.	\[AgN{{O}_{3}}\]
Answer» E.

Discussion

3672.	Arrange the following compounds in decreasing order of coupling with benzenediazonium chloride.
A.	IV>I>II>III
B.	II>I>IV>III
C.	II>IV>I>III
D.	II>III>IV>I
Answer» D. II>III>IV>I

Discussion

3673.	The decreasing order of basic character at a, b, and c m the following compound is
A.	b > a > c
B.	c > b> a
C.	a > b > c
D.	c > a > b
Answer» D. c > a > b

Discussion

3674.	When (1R, 2R)-1,2-Dibromo-1,2-diphenyl ethane is treated with alcoholic solution of KOH, the most probable product would be:
A.	trans-1, 2-diphenyl ethane
B.	A mixture of cis, trans alkenyl bromide
C.	cis-alkenyl bromide
D.	trans-alkenyl bromide
Answer» E.

Discussion

3675.	The decreasing order of rate of \[{{S}_{N}}2\] reaction is:
A.	IV > III > II > I
B.	II > III > I > IV
C.	II > I > IV > III
D.	None of these
Answer» D. None of these

Discussion

3676.	Reaction intermediate of E1cB reaction is:
A.	Carbocation
B.	Carbanion
C.	Benzyne
D.	Free radical
Answer» C. Benzyne

Discussion

3677.	The stability order of following carbocation is
A.	i> ii> iv> iii
B.	iii> i> ii> iv
C.	iv> ii> iii> i
D.	ii> iv> iii> i
Answer» E.

Discussion

3678.	The decreasing order of electron density on the ring is:
A.	(II)> (III)> (IV)> (I)
B.	(IV)> (I)> (II)> (III)
C.	(IV)> (I)> (III)> (II)
D.	(I)> (III)> (IV)> (II)
Answer» E.

Discussion

3679.	The correct order of +m effect of 'N' containing functional group on benzene ring, amongst the given compounds is
A.	I>II>IV>III
B.	II>I>III>IV
C.	I>II>III>IV
D.	IV>III>II>I
Answer» D. IV>III>II>I

Discussion

3680.	Assign number 1 for least to 4 for most to indicate the relative base strength of the following:(I) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] (II) \[p-N{{O}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}\](III) \[m-N{{O}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}\](IV) \[p-C{{H}_{3}}O{{C}_{6}}{{H}_{4}}N{{H}_{2}}\]
A.	I - 3 II - 1 III - 2 IV - 4
B.	I - 1 II - 2 III - 3 IV - 4
C.	I - 2 II - 3 III - 4 IV - 1
D.	I - 4 II - 1 III - 3 IV - 2
Answer» B. I - 1 II - 2 III - 3 IV - 4

Discussion

3681.	64 g of an organic compound contains 24 g of carbon, 8 g of hydrogen and the rest oxygen. The empirical formula of the compound is
A.	\[C{{H}_{2}}O\]
B.	\[{{C}_{2}}{{H}_{4}}O\]
C.	\[C{{H}_{4}}O\]
D.	\[{{C}_{2}}{{H}_{8}}{{O}_{2}}\]
Answer» D. \[{{C}_{2}}{{H}_{8}}{{O}_{2}}\]

Discussion

3682.	What is the systematic IUPAC name of the following compound?
A.	1-Methy1 bicyclo [3, 2, 1] octane
B.	6-Methy1 bicyclo [3, 2, 1] octane
C.	8-Methy1 bicyclo [3, 2, 1] octane
D.	8-Methy1 tricyclo [3, 2, 1] octane
Answer» D. 8-Methy1 tricyclo [3, 2, 1] octane

Discussion

3683.	For the detection of phosphorus, the organic compound after fusion with \[N{{a}_{2}}{{O}_{2}}\]is extracted with water, boiled with \[Na{{O}_{3}}\]and then ammonium molybdate is added to it, A yellow ppt. is obtained which is due to the formation of
A.	ammonium phosphate
B.	ammonium phosphomolybdate
C.	ferric phosphate
D.	disodium ammonium phosphate
Answer» C. ferric phosphate

Discussion

3684.	What is the correct IUPAC name of the compound Shown below?
A.	5-Bromo-2-chloro-1-cyclobuty1-6cyclohexy1-1, 6-dimethy1-3-hexyne
B.	5-Bromo-2chloro-1-cyclobuty1-6-cyclohexy1-1-methy1-3-heptyne
C.	3-Bromo-6-chloro-7-cyclobuty1-2-cyclohexy1-4-octyne
D.	6-Bromo-3-chloro-2-cyclobuty1?7-cyclohexy1-4-oct-compound?
Answer» E.

Discussion

3685.	According to IUPAC convention, the systematic name of the compound given below is
A.	4-(4-Bromocyclohexy1)-1-(3-chlorocy clohexy1)-2-flouorocyclohexane
B.	5-(4-Bromocyclohexy1)-2-(3-Chlorocy clohexy1)-1-flouorocyclohexane
C.	1-(3-chlorocyclohexy1)-4-(4-bromocy clohexy1)-2-flouorocyclohexane
D.	1-(4-Bromocyclohexy1)-4-(3-chlorocy clohexy1)-3-fluorocyclohexane
Answer» B. 5-(4-Bromocyclohexy1)-2-(3-Chlorocy clohexy1)-1-flouorocyclohexane

Discussion

3686.	The correct IUPAC name of the compound
A.	6-Ethy1-1-methy1-4-oxohept-6-ene-1-suplphonic acid
B.	7-Ethy1-5-oxooct-7-ene-2-sulphonic acid
C.	2-Ethy1-7-sulphooct-1-ene-4-one
D.	7-Methylene-5-oxononane-2-sulphonic acid
Answer» C. 2-Ethy1-7-sulphooct-1-ene-4-one

Discussion

3687.	A hydrocarbon with molecular formula \[{{C}_{6}}{{H}_{8}}\]is chiral but upon catalytic hydrogenation gives achiral hydrocarbon of molar mass 86. Which of the following could be the starting compound?
A.	3-methy1-1-pentene-4-yne
B.	1, 4-dimethylcyclobutadiene
C.	1-etheny1-3-methylcyclopropene
D.	5-methy1-1, 3-cyclopentadiene
Answer» B. 1, 4-dimethylcyclobutadiene

Discussion

3688.	How many total structural isomers are obtained when three hydrogen atoms are replaced by chlorine atom from molecular formula \[{{C}_{3}}{{H}_{8}}\]
A.	5
B.	4
C.	6
D.	3
Answer» B. 4

Discussion

3689.	The order of reactivity of the following alcohols towards conc. HCl is:
A.	I> II> III>IV
B.	I> III> II,> IV
C.	IV> III> II>I
D.	IV> III> I> II
Answer» D. IV> III> I> II

Discussion

3690.	pH for the solution of salt undergoing anionic hydrolysis (say \[C{{H}_{3}}COONa\]) is given by:
A.	\[pH=1/2\left[ p{{K}_{w}}+p{{K}_{a}}+\log C \right]\]
B.	\[pH=1/2\left[ p{{K}_{w}}+p{{K}_{a}}-\log C \right]\]
C.	\[pH=1/2\left[ p{{K}_{w}}+p{{K}_{b}}-\log C \right]\]
D.	None of these
Answer» B. \[pH=1/2\left[ p{{K}_{w}}+p{{K}_{a}}-\log C \right]\]

Discussion

3691.	The pH of a 0.01 M solution of a monobasic acid is four. Which one of the following statements about the acid is invorrect?
A.	When a little NaOH is added, it will form a buffer solution
B.	It is a weak acid
C.	Its sodium salt will be acidic
D.	Its sodium salt will be basic
Answer» D. Its sodium salt will be basic

Discussion

3692.	Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the \[{{H}^{+}}\] ion concentration
A.	\[3.7\times {{10}^{-3}}M\]
B.	\[1.11\times {{10}^{-3}}M\]
C.	\[1.11\times {{10}^{-4}}M\]
D.	\[3.7\times {{10}^{-4}}M\]
Answer» E.

Discussion

3693.	The pH of Ba \[{{(OH)}_{2}}\]solution is 13. The number millimoles of Ba\[{{(OH)}_{2}}\] present in 10 ml of solution would be
A.	1.00
B.	0.5
C.	10.00
D.	15
Answer» C. 10.00

Discussion

3694.	Four species are listed below:(i) \[HC{{O}^{-}}_{3}\] (ii) \[{{H}_{3}}{{O}^{+}}\](iii) \[HS{{O}^{-}}_{4}\] (iv) \[HS{{O}_{3}}F\]Which one of the following is the correct sequence of their acid strength?
A.	iv <ii <iii <i
B.	ii <iii <i <iv
C.	i <iii <ii <iv
D.	iii <i <iv <ii
Answer» D. iii <i <iv <ii

Discussion

3695.	The degree of dissociation of water at \[25{}^\circ C\] is \[1.9\times {{10}^{-7}}\] % and density is 1.0 g \[c{{m}^{-3}}\]. The ionic constant for water is
A.	\[1.0\times {{10}^{-10}}\]
B.	\[1.0\times {{10}^{-14}}\]
C.	\[1.0\times {{10}^{-16}}\]
D.	\[1.0\times {{10}^{-8}}\]
Answer» C. \[1.0\times {{10}^{-16}}\]

Discussion

3696.	Calculate pH of 0.002 N \[N{{H}_{4}}\]OH having 2% dissociation.
A.	7.6
B.	8.6
C.	9.6
D.	10.6
Answer» D. 10.6

Discussion

3697.	When equal volumes of the following solutions are mixed, precipitation of AgCl (\[{{K}_{sp}}\] = \[1.8\times {{10}^{-10}}\]) will occur only with
A.	\[{{10}^{-4}}M(A{{g}^{+}})\,and\,{{10}^{-4}}M(C{{l}^{-}})\]
B.	\[{{10}^{-5}}M(A{{g}^{+}})\,and\,{{10}^{-5}}M(C{{l}^{-}})\]
C.	\[{{10}^{-16}}M(A{{g}^{+}})\,and\,{{10}^{-6}}M(C{{l}^{-}})\]
D.	\[{{10}^{-10}}M(A{{g}^{+}})\,and\,{{10}^{-10}}M(C{{l}^{-}})\]
Answer» B. \[{{10}^{-5}}M(A{{g}^{+}})\,and\,{{10}^{-5}}M(C{{l}^{-}})\]

Discussion

3698.	The best indicator for detection of end point in titration of a Weak acid and a strong base is
A.	Methy1 orange (3 to 4)
B.	Methy1 red (5 to 6)
C.	Bromothymol blue (6 to 7.5)
D.	Phenolphthalein (8 to 9.6)
Answer» E.

Discussion

3699.	The first and second dissociation constant of an acid \[{{H}_{2}}A\] are\[1.0\times {{10}^{-5}}\] and \[5.0\times {{10}^{-10}}\] respectively. The overall dissociation constant of the acid will be:
A.	\[5.0\times {{10}^{-5}}\]
B.	\[5.0\times {{10}^{15}}\]
C.	\[5.0\times {{10}^{-15}}\]
D.	\[0.2\times {{10}^{5}}\]
Answer» D. \[0.2\times {{10}^{5}}\]

Discussion

3700.	In a saturated solution of the sparingly soluble strong electrolyte \[AgI{{O}_{3}}\] (molecular mass = 283) the equilibrium which sets in is \[AgI{{O}_{3}}(s)\rightleftharpoons A{{g}^{+}}(aq)+I{{O}^{-}}_{3}(aq)\] If the solubility product constant \[{{K}_{sp}}\]of\[AgI{{O}_{3}}\], at a given temperature is\[1.0\times {{10}^{-8}}\], what is the mass of, \[AgI{{O}_{3}}\] contained in 100 mL of its saturated solution?
A.	\[28.3\times {{10}^{-2}}g\]
B.	\[28.3\times {{10}^{-3}}g\]
C.	\[1.0\times {{10}^{-7}}g\]
D.	\[1.0\times {{10}^{-4}}g\]
Answer» B. \[28.3\times {{10}^{-3}}g\]

Discussion

Explore topic-wise MCQs in Joint Entrance Exam - Main (JEE Main).

Which of the following is a biodegradable polymer?

Among cellulose, poly (vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is

The compound required for the formation of a thermosetting polymer with methanal is

Arrange the following monomers in order of decreasing ability to undergo cationic polymerisation.(I) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(N{{O}_{2}})\](II) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(C{{H}_{3}})\](III) \[C{{H}_{2}}=CH-{{C}_{6}}{{H}_{4}}(OC{{H}_{3}})\]

Match the following (i) Biodegradable polymer (p) 3-Hydroxybutanoic acid (ii) Bakelite (q) phenol (iii) Neoprene (r) 2-chlorobuta-1, 3-diene (iv) Glyptal (s) phthalic acid

Isotactic polypropylene polymer is one in which

The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The polydispersity index of the polymer is

Gutta-percha is

What is not true regarding free radical polymerisation of propene?

A reaction of ethy1amine and acetic anhydride leads to the formation of

Ethyl methylamine cannot be resolved under normal conditions because

Which of the following is a set of enamine?

N-Ethyl pthalimide on hydrolysis gives

An organic compound 'A' \[({{C}_{3}}{{H}_{9}}N)\] reacts with benzene sulphonyl chloride to give a solid insoluble in alkali. The structure of 'A' is

Which of the following compounds will be obtained in the end of the following reaction? Ethyl amine\[\xrightarrow{HN{{O}_{2}}}A\xrightarrow{PC{{l}_{5}}}B\xrightarrow{N{{H}_{3}}}C\]

A compound with molecular mass 180 is acylated with \[C{{H}_{3}}COCl\] to get a compound with molecular mass 390 The number of amino groups present per molecule of the former compound is

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotized and then heated with cuprous bromide. The reaction mixture so formed contains

What sequence of reactions would best accomplish the following reaction?

The order of increasing boiling points among the three compounds is \[{{C}_{2}}{{H}_{5}}ONO(I)\] \[{{C}_{2}}{{H}_{5}}N{{O}_{2}}(II)\] \[{{C}_{2}}{{H}_{6}}(III)\]

In the diazotization of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to:

p-Chloro aniline and anilinium hydrogen chloride can be distinguished by

Arrange the following compounds in decreasing order of coupling with benzenediazonium chloride.

The decreasing order of basic character at a, b, and c m the following compound is

When (1R, 2R)-1,2-Dibromo-1,2-diphenyl ethane is treated with alcoholic solution of KOH, the most probable product would be:

The decreasing order of rate of \[{{S}_{N}}2\] reaction is:

Reaction intermediate of E1cB reaction is:

The stability order of following carbocation is

The decreasing order of electron density on the ring is:

The correct order of +m effect of 'N' containing functional group on benzene ring, amongst the given compounds is

Assign number 1 for least to 4 for most to indicate the relative base strength of the following:(I) \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] (II) \[p-N{{O}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}\](III) \[m-N{{O}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}\](IV) \[p-C{{H}_{3}}O{{C}_{6}}{{H}_{4}}N{{H}_{2}}\]

64 g of an organic compound contains 24 g of carbon, 8 g of hydrogen and the rest oxygen. The empirical formula of the compound is

What is the systematic IUPAC name of the following compound?

For the detection of phosphorus, the organic compound after fusion with \[N{{a}_{2}}{{O}_{2}}\]is extracted with water, boiled with \[Na{{O}_{3}}\]and then ammonium molybdate is added to it, A yellow ppt. is obtained which is due to the formation of

What is the correct IUPAC name of the compound Shown below?

According to IUPAC convention, the systematic name of the compound given below is

The correct IUPAC name of the compound

A hydrocarbon with molecular formula \[{{C}_{6}}{{H}_{8}}\]is chiral but upon catalytic hydrogenation gives achiral hydrocarbon of molar mass 86. Which of the following could be the starting compound?

How many total structural isomers are obtained when three hydrogen atoms are replaced by chlorine atom from molecular formula \[{{C}_{3}}{{H}_{8}}\]

The order of reactivity of the following alcohols towards conc. HCl is:

pH for the solution of salt undergoing anionic hydrolysis (say \[C{{H}_{3}}COONa\]) is given by:

The pH of a 0.01 M solution of a monobasic acid is four. Which one of the following statements about the acid is invorrect?

Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the \[{{H}^{+}}\] ion concentration

The pH of Ba \[{{(OH)}_{2}}\]solution is 13. The number millimoles of Ba\[{{(OH)}_{2}}\] present in 10 ml of solution would be

Four species are listed below:(i) \[HC{{O}^{-}}_{3}\] (ii) \[{{H}_{3}}{{O}^{+}}\](iii) \[HS{{O}^{-}}_{4}\] (iv) \[HS{{O}_{3}}F\]Which one of the following is the correct sequence of their acid strength?

The degree of dissociation of water at \[25{}^\circ C\] is \[1.9\times {{10}^{-7}}\] % and density is 1.0 g \[c{{m}^{-3}}\]. The ionic constant for water is

Calculate pH of 0.002 N \[N{{H}_{4}}\]OH having 2% dissociation.

When equal volumes of the following solutions are mixed, precipitation of AgCl (\[{{K}_{sp}}\] = \[1.8\times {{10}^{-10}}\]) will occur only with

The best indicator for detection of end point in titration of a Weak acid and a strong base is

The first and second dissociation constant of an acid \[{{H}_{2}}A\] are\[1.0\times {{10}^{-5}}\] and \[5.0\times {{10}^{-10}}\] respectively. The overall dissociation constant of the acid will be: