11242 + Mcqs in Chemistry Page 48 McqOptions

2351.	Absolute alcohol cannot be prepared by fractional distillation of rectified spirit since
A.	It forms azeotropic mixture
B.	It is used as power alcohol
C.	It is used in wines
D.	None of the above
Answer» B. It is used as power alcohol

Discussion

2352.	Which of the following is the most suitable method for removing the traces of water from ethanol [CPMT 1999]
A.	Heating with Na metal
B.	Passing dry HCl through it
C.	Distilling it
D.	Reacting with Mg
Answer» E.

Discussion

2353.	With oxalic acid, glycerol at \[{{260}^{o}}C\] gives [BHU 1996]
A.	Allyl alcohol
B.	Glyceryl mono-oxalate
C.	Formic acid
D.	Glyceraldehyde
Answer» B. Glyceryl mono-oxalate

Discussion

2354.	Which of the following is not true in case of reaction with heated copper at \[{{300}^{o}}C\] [CPMT 1999]
A.	Phenol \[\to \] Benzyl alcohol
B.	Primary alcohol \[\to \] Aldehyde
C.	Secondary alcohol \[\to \] Ketone
D.	Tertiary alcohol \[\to \] Olefin
Answer» B. Primary alcohol \[\to \] Aldehyde

Discussion

2355.	When phenol is allowed to react with \[B{{r}_{2}}\] in (i) \[C{{S}_{2}}\] solution and (ii) in aqueous solution, the resulting compounds are
A.	(i) 2, 4, 6-tribromophenol and (ii) o-and p-bromophenol
B.	(i) m-bromophenol and (ii) 2, 3, 4-tribromophenol
C.	s (i) o-and p-bromophenol and (ii) 2, 4, 6-tribromophenol
D.	(i) o- and m-bromophenol and (ii) 2, 3, 4-tribromophenol
Answer» D. (i) o- and m-bromophenol and (ii) 2, 3, 4-tribromophenol

Discussion

2356.	Reaction of phenol with dil. \[HN{{O}_{3}}\] gives [KCET 1993; RPMT 1997]
A.	p and m-nitrophenols
B.	o- and p-nitrophenols
C.	Picric acid
D.	o- and m-nitrophenols
Answer» C. Picric acid

Discussion

2357.	The compound obtained by heating salicylic acid with phenol in the presence of phosphorus oxychloride is [KCET (Med.) 1999]
A.	Salol
B.	Aspirin
C.	Oil of wintergreen
D.	o-chlorobenzoyl chloride
Answer» B. Aspirin

Discussion

2358.	The final product of the oxidation of ethyl alcohol is [KCET (Med.) 1999 ]
A.	Ethane
B.	Acetone
C.	Acetaldehyde
D.	Acetic acid
Answer» E.

Discussion

2359.	Ethylene may be obtained by dehydration of which of the following with concentrated \[{{H}_{2}}S{{O}_{4}}\]at 160 ? 170°C [DPMT 2000; MP PET 2001]
A.	\[{{C}_{2}}{{H}_{5}}OH\]
B.	\[C{{H}_{3}}OH\]
C.	\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\]
D.	\[{{(C{{H}_{3}})}_{2}}CHC{{H}_{2}}OH\]
Answer» B. \[C{{H}_{3}}OH\]

Discussion

2360.	In the sequence of the following reactions \[C{{H}_{3}}OH\xrightarrow{HI}C{{H}_{3}}I\xrightarrow{KCN}\]\[C{{H}_{3}}CN\xrightarrow{\text{reduction}}X\xrightarrow{HN{{O}_{3}}}Y\] X and Y are respectively [MP PMT 2002]
A.	\[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\] and \[C{{H}_{3}}C{{H}_{2}}OH\]
B.	\[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\] and \[C{{H}_{3}}COOH\]
C.	\[C{{H}_{3}}C{{H}_{2}}OH\] and \[C{{H}_{3}}CHO\]
D.	\[C{{H}_{3}}OC{{H}_{3}}\] and \[C{{H}_{3}}CHO\]
Answer» B. \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\] and \[C{{H}_{3}}COOH\]

Discussion

2361.	Dehydrogenation of \[\underset{\underset{OH}{\mathop{\|}}\,}{\mathop{C{{H}_{3}}-CH-C{{H}_{3}}}}\,\] gives [MP PMT 2002]
A.	Acetone
B.	Acetaldehyde
C.	Acetic acid
D.	Acetylene
Answer» B. Acetaldehyde

Discussion

2362.	Isopropyl alcohol heated at \[{{300}^{o}}C\] with copper catalyst to form [AFMC 1990; MP PMT 1986, 89, 92; JIPMER 2000]
A.	Acetone
B.	Dimethyl ether
C.	Acetaldehyde
D.	Ethane
Answer» B. Dimethyl ether

Discussion

2363.	Carbylamine test is done by heating alcoholic KOH with [IIT-JEE 1984; BIT 1992; CBSE PMT 1992]
A.	Chloroform and silver powder
B.	Trihalogen methane and primary amine
C.	Alkyl halide and primary amine
D.	Alkyl cyanide and primary amine
Answer» C. Alkyl halide and primary amine

Discussion

2364.	The following reaction : is known as [MP PET 1997]
A.	Perkin reaction
B.	Gattermann reaction
C.	Kolbe reaction
D.	Gattermann-Koch reaction
Answer» C. Kolbe reaction

Discussion

2365.	Read the following statements carefully : A secondary alcohol on oxidation gives a ketone Ethanol reacts with conc. \[{{H}_{2}}S{{O}_{4}}\] at \[{{180}^{o}}C\] to yield ethylene Methanol reacts with iodine and sodium hydroxide to give a yellow precipitate of iodoform Hydrogen gas is liberated when sodium is added to alcohol. Select the correct statements from the above set:
A.	A, B
B.	C, D
C.	A, B, D
D.	A, C, D
Answer» D. A, C, D

Discussion

2366.	Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not. This is due to [CBSE PMT 1989]
A.	Intramolecular hydrogen bonding present in ortho-nitrophenol
B.	Intermolecular hydrogen bonding
C.	Intramolecular hydrogen bonding present in para-nitrophenol
D.	None of these
Answer» B. Intermolecular hydrogen bonding

Discussion

2367.	Which statement is true [MP PMT 1991]
A.	\[{{C}_{6}}{{H}_{5}}OH\] is more acidic than \[{{C}_{2}}{{H}_{5}}OH\]
B.	\[{{C}_{6}}{{H}_{5}}OH\] is less acidic than \[{{C}_{2}}{{H}_{5}}OH\]
C.	\[{{C}_{6}}{{H}_{5}}OH\] react with \[NaHC{{O}_{3}}\]
D.	\[{{C}_{6}}{{H}_{5}}OH\] gives oxime with \[N{{H}_{2}}OH\] and \[HCl\]
Answer» B. \[{{C}_{6}}{{H}_{5}}OH\] is less acidic than \[{{C}_{2}}{{H}_{5}}OH\]

Discussion

2368.	Conc. \[{{H}_{2}}S{{O}_{4}}\] reacts with \[{{C}_{2}}{{H}_{5}}OH\] at \[{{170}^{o}}C\] to form [MP PMT 1991; MP PET 1991; IIT-JEE 1981; EAMCET 1979; KCET 2001]
A.	\[C{{H}_{3}}COC{{H}_{3}}\]
B.	\[C{{H}_{3}}COOH\]
C.	\[C{{H}_{3}}CHO\]
D.	\[{{C}_{2}}{{H}_{4}}\]
Answer» E.

Discussion

2369.	Which of the following not gives effervescence with \[NaHC{{O}_{3}}\] [MP PET 1992]
A.	Phenol
B.	Benzoic acid
C.	2, 4-dinitrophenol
D.	2, 4, 6-trinitrophenol
Answer» B. Benzoic acid

Discussion

2370.	Oxidation of ethanol by chromic acid forms [MP PET 1992]
A.	Ethanol
B.	Methanol
C.	2-propanone
D.	Ethanoic acid
Answer» E.

Discussion

2371.	At low temperature phenol reacts with \[B{{r}_{2}}\] in \[C{{S}_{2}}\] to form [MP PET 1991; CPMT 1981; MP PMT 1990; IIT 1982; RPMT 2000]
A.	m-bromophenol
B.	o-and p-bromophenol
C.	p-bromophenol
D.	2, 4, 6-tribromophenol
Answer» C. p-bromophenol

Discussion

2372.	Phenol at \[{{25}^{o}}C\] is
A.	A white crystalline solid
B.	A transparent liquid
C.	A gas
D.	Yellow solution
Answer» B. A transparent liquid

Discussion

2373.	Phenol is [MP PMT 1990; UPSEAT 1999]
A.	A weaker base than \[N{{H}_{3}}\]
B.	Stronger than carbonic acid
C.	Weaker than carbonic acid
D.	A neutral compound
Answer» D. A neutral compound

Discussion

2374.	The reaction of conc. \[HN{{O}_{3}}\] and phenol forms [MP PMT/PET 1988; BHU 1988; MP PMT 1999; Pb. PMT 2000]
A.	Benzoic acid
B.	Salicylic acid
C.	o-and p-nitrophenol
D.	Picric acid
Answer» E.

Discussion

2375.	An organic compound X on treatment with acidified \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] gives a compound Y which reacts with \[{{I}_{2}}\] and sodium carbonate to form tri-odomethane. The compound X is [KCET 1996]
A.	\[C{{H}_{3}}OH\]
B.	\[C{{H}_{3}}-CO-C{{H}_{3}}\]
C.	\[C{{H}_{3}}CHO\]
D.	\[C{{H}_{3}}CH(OH)C{{H}_{3}}\]
Answer» E.

Discussion

2376.	\[{{C}_{6}}{{H}_{5}}OH+ClCOC{{H}_{3}}\xrightarrow{\text{aq}\text{. }NaOH}{{C}_{6}}{{H}_{5}}OCOC{{H}_{3}}\] is an example of [BHU 1984]
A.	Dow's reaction
B.	Reimer-Tiemann reaction
C.	Schotten-Baumann reaction
D.	Kolbe's reaction
Answer» D. Kolbe's reaction

Discussion

2377.	Which compound is formed when \[C{{H}_{3}}OH\] reacts with \[C{{H}_{3}}-Mg-X\] [CPMT 1977, 89]
A.	Acetone
B.	Alcohol
C.	Methane
D.	Ethane
Answer» D. Ethane

Discussion

2378.	\[C{{H}_{3}}COCl\underset{Pd/BaS{{O}_{4}}}{\mathop{\xrightarrow{2H}}}\,C{{H}_{3}}CHO+HCl;\] The above reaction is called [JIPMER 1997]
A.	Reimer-Tiemann reaction
B.	Cannizzaro reaction
C.	Rosenmund reaction
D.	Reformatsky reaction
Answer» D. Reformatsky reaction

Discussion

2379.	Ketones \[(R-\underset{\underset{O}{\mathop{\|\|}}\,}{\mathop{C}}\,-{{R}_{1}})\] where \[R={{R}_{1}}=\] alkyl group. It can be obtained in one step by [CBSE PMT 1997]
A.	Hydrolysis of esters
B.	Oxidation of primary alcohol
C.	Oxidation of secondary alcohol
D.	Reaction of acid halide with alcohols
Answer» D. Reaction of acid halide with alcohols

Discussion

2380.	Predict the product ?B? in the sequence of reaction \[HC\equiv CH\underset{HgS{{O}_{4}}}{\mathop{\xrightarrow{30%{{H}_{2}}S{{O}_{4}}}}}\,A\xrightarrow{NaOH}B\] [CBSE PMT 2001]
A.	\[C{{H}_{3}}COONa\]
B.	\[C{{H}_{3}}COOH\]
C.	\[C{{H}_{3}}CHO\]
D.	\[C{{H}_{3}}-\underset{OH\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{2}}CHO\]
Answer» E.

Discussion

2381.	Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction [EAMCET 2003]
A.	Glyoxal
B.	Cyclohexane
C.	Acetophenone
D.	Hexabromo cyclohexane
Answer» D. Hexabromo cyclohexane

Discussion

2382.	\[C{{H}_{3}}-\underset{\underset{O}{\mathop{\|\|}}\,}{\mathop{C}}\,-C{{H}_{2}}-COO{{C}_{2}}{{H}_{5}}\underset{{{H}_{2}}O}{\mathop{\xrightarrow{NaOH}}}\,A,\] product ?A? in the reaction is [RPMT 2003]
A.	\[C{{H}_{3}}COOH\]
B.	\[{{C}_{2}}{{H}_{5}}OH\]
C.	\[C{{H}_{3}}COC{{H}_{3}}\]
D.	\[{{C}_{2}}{{H}_{5}}CHO\]
Answer» D. \[{{C}_{2}}{{H}_{5}}CHO\]

Discussion

2383.	On reductive ozonolysis yields [Orissa JEE 2005]
A.	6-oxoheptanal
B.	6-oxoheptanoic acid
C.	6-hydroxyheptanal
D.	3-hydroxypentanal
Answer» B. 6-oxoheptanoic acid

Discussion

2384.	An alkene of molecular formula \[{{C}_{9}}{{H}_{18}}\] on ozonolysis gives 2, 2 dimethyl propanal & 2-butanon, then the alkene is [Kerala CET 2005]
A.	2, 2, 4-trimethyl ?3-hexene
B.	2, 2, 6-trimethyl-3-hexene
C.	2, 3, 4-trimethyl-2-hexene
D.	2, 2, 4-trimethyl-2-hexene
E.	2, 2dimethyl-2-heptene
Answer» B. 2, 2, 6-trimethyl-3-hexene

Discussion

2385.	The reagent used in Gatterman Koch aldehyde synthesis is [CPMT 2004]
A.	\[Pb/BaS{{O}_{4}}\]
B.	alkaline \[KMn{{O}_{4}}\]
C.	acidic \[KMn{{O}_{4}}\]
D.	\[CO+HCl\]
Answer» E.

Discussion

2386.	Glycerol reacts with potassium bisulphate to produce [Pb. CET 2003]
A.	Allyl iodide
B.	Allyl sulphate
C.	Acryl aldehyde
D.	Glycerol trisulphate
Answer» D. Glycerol trisulphate

Discussion

2387.	\[R-CH=C{{H}_{2}}+CO+{{H}_{2}}\] \[\underset{\text{High Pressure}}{\mathop{\xrightarrow{\text{High Temp}}}}\,RC{{H}_{2}}C{{H}_{2}}CHO.\] [DPMT 2004] The above reaction is
A.	Mendius reaction
B.	Oxo process
C.	Sandorn's reaction
D.	Stephen's reaction
Answer» C. Sandorn's reaction

Discussion

2388.	The oxidation of benzyl chloride with lead nitrate gives [MP PMT 2004]
A.	Benzyl alcohol
B.	Benzoic acid
C.	Benzaldehyde
D.	p-chlorobenzaldehyde
Answer» D. p-chlorobenzaldehyde

Discussion

2389.	Benzoin is [KCET 2004]
A.	Compound containing an aldehyde and a ketonic group
B.	a, b-unsaturated acid
C.	a-hydroxy aldehyde
D.	a-hydroxy ketone
Answer» E.

Discussion

2390.	\[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgS{{O}_{4}}}}}\,\] A, the compound A is [Orissa JEE 2004]
A.	\[\overset{\overset{\,\,\,\,\,\,\,\,\,\,\,\,O}{\mathop{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\|\|}}\,}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C-C{{H}_{3}}}}\,\]
B.	\[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-CHO\]
C.	\[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-COOH\]
D.	None of these
Answer» B. \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-CHO\]

Discussion

2391.	Ethyne on reaction with water in the presence of \[HgS{{O}_{4}}\]and \[{{H}_{2}}S{{O}_{4}}\] gives [UPSEAT 1999; BVP 2003]
A.	Acetone
B.	Acetaldehyde
C.	Acetic acid
D.	Ethyl alcohol
Answer» C. Acetic acid

Discussion

2392.	\[{{O}_{3}}\] reacts with \[C{{H}_{2}}=C{{H}_{2}}\] to form ozonide. On hydrolysis it forms [MP PET 1986, 90]
A.	Ethylene oxide
B.	HCHO
C.	Ethylene glycol
D.	Ethyl alcohol
Answer» C. Ethylene glycol

Discussion

2393.	Ketones are prepared by
A.	Clemmensen's reduction
B.	Cannizzaro reaction
C.	Rosenmund's reduction
D.	Oppenaur's oxidation
Answer» E.

Discussion

2394.	Hydrolysis of ozonide of 1-butene gives [Kerala PMT 2003]
A.	Ethylene only
B.	Acetaldehyde and Formaldehyde
C.	Propionaldehyde and Formaldehyde
D.	Acetaldehyde only
E.	Acetaldehyde and Oxalic acid
Answer» D. Acetaldehyde only

Discussion

2395.	The oxidation product of 2-propanol with hot conc. \[HN{{O}_{3}}\] is [JIPMER 1997]
A.	Ethanoic acid
B.	Propanone
C.	Propanal
D.	None of these
Answer» C. Propanal

Discussion

2396.	Acetophenone is prepared from [CPMT 2003]
A.	Rosenmund reaction
B.	Sandmayer reaction
C.	Wurtz reaction
D.	Friedel craft reaction
Answer» E.

Discussion

2397.	Which of the following on reaction with \[N{{H}_{3}}\] gives urinary antiseptic compound [MP PMT 1999]
A.	HCHO
B.	\[C{{H}_{3}}CHO\]
C.	\[{{C}_{6}}{{H}_{5}}CHO\]
D.	\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}CHO\]
Answer» B. \[C{{H}_{3}}CHO\]

Discussion

2398.	\[C{{H}_{3}}COC{{H}_{_{3}}}\] can be obtained by [CBSE PMT 1992]
A.	Heating acetaldehyde with methanol
B.	Oxidation of propyl alcohol
C.	Oxidation of isopropyl alcohol
D.	Reduction of propionic acid
Answer» D. Reduction of propionic acid

Discussion

2399.	Propyne on hydrolysis in presence of HCl and \[HgS{{O}_{4}}\] gives [DPMT 1980; CPMT 1983]
A.	Acetaldehyde
B.	Acetone
C.	Formaldehyde
D.	None of these
Answer» C. Formaldehyde

Discussion

2400.	Which of the following gases when passed through warm dilute solution of \[{{H}_{2}}S{{O}_{4}}\] in presence of \[HgS{{O}_{4}}\] gives acetaldehyde [EAMCET 1986]
A.	\[C{{H}_{4}}\]
B.	\[{{C}_{2}}{{H}_{6}}\]
C.	\[{{C}_{2}}{{H}_{4}}\]
D.	\[{{C}_{2}}{{H}_{2}}\]
Answer» E.

Discussion

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

Absolute alcohol cannot be prepared by fractional distillation of rectified spirit since

Which of the following is the most suitable method for removing the traces of water from ethanol [CPMT 1999]

With oxalic acid, glycerol at \[{{260}^{o}}C\] gives [BHU 1996]

Which of the following is not true in case of reaction with heated copper at \[{{300}^{o}}C\] [CPMT 1999]

When phenol is allowed to react with \[B{{r}_{2}}\] in (i) \[C{{S}_{2}}\] solution and (ii) in aqueous solution, the resulting compounds are

Reaction of phenol with dil. \[HN{{O}_{3}}\] gives [KCET 1993; RPMT 1997]

The compound obtained by heating salicylic acid with phenol in the presence of phosphorus oxychloride is [KCET (Med.) 1999]

The final product of the oxidation of ethyl alcohol is [KCET (Med.) 1999 ]

Ethylene may be obtained by dehydration of which of the following with concentrated \[{{H}_{2}}S{{O}_{4}}\]at 160 ? 170°C [DPMT 2000; MP PET 2001]

In the sequence of the following reactions \[C{{H}_{3}}OH\xrightarrow{HI}C{{H}_{3}}I\xrightarrow{KCN}\]\[C{{H}_{3}}CN\xrightarrow{\text{reduction}}X\xrightarrow{HN{{O}_{3}}}Y\] X and Y are respectively [MP PMT 2002]

Dehydrogenation of \[\underset{\underset{OH}{\mathop{|}}\,}{\mathop{C{{H}_{3}}-CH-C{{H}_{3}}}}\,\] gives [MP PMT 2002]

Isopropyl alcohol heated at \[{{300}^{o}}C\] with copper catalyst to form [AFMC 1990; MP PMT 1986, 89, 92; JIPMER 2000]

Carbylamine test is done by heating alcoholic KOH with [IIT-JEE 1984; BIT 1992; CBSE PMT 1992]

The following reaction : is known as [MP PET 1997]

Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not. This is due to [CBSE PMT 1989]

Which statement is true [MP PMT 1991]

Conc. \[{{H}_{2}}S{{O}_{4}}\] reacts with \[{{C}_{2}}{{H}_{5}}OH\] at \[{{170}^{o}}C\] to form [MP PMT 1991; MP PET 1991; IIT-JEE 1981; EAMCET 1979; KCET 2001]

Which of the following not gives effervescence with \[NaHC{{O}_{3}}\] [MP PET 1992]

Oxidation of ethanol by chromic acid forms [MP PET 1992]

At low temperature phenol reacts with \[B{{r}_{2}}\] in \[C{{S}_{2}}\] to form [MP PET 1991; CPMT 1981; MP PMT 1990; IIT 1982; RPMT 2000]

Phenol at \[{{25}^{o}}C\] is

Phenol is [MP PMT 1990; UPSEAT 1999]

The reaction of conc. \[HN{{O}_{3}}\] and phenol forms [MP PMT/PET 1988; BHU 1988; MP PMT 1999; Pb. PMT 2000]

An organic compound X on treatment with acidified \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] gives a compound Y which reacts with \[{{I}_{2}}\] and sodium carbonate to form tri-odomethane. The compound X is [KCET 1996]

\[{{C}_{6}}{{H}_{5}}OH+ClCOC{{H}_{3}}\xrightarrow{\text{aq}\text{. }NaOH}{{C}_{6}}{{H}_{5}}OCOC{{H}_{3}}\] is an example of [BHU 1984]

Which compound is formed when \[C{{H}_{3}}OH\] reacts with \[C{{H}_{3}}-Mg-X\] [CPMT 1977, 89]

\[C{{H}_{3}}COCl\underset{Pd/BaS{{O}_{4}}}{\mathop{\xrightarrow{2H}}}\,C{{H}_{3}}CHO+HCl;\] The above reaction is called [JIPMER 1997]

Ketones \[(R-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-{{R}_{1}})\] where \[R={{R}_{1}}=\] alkyl group. It can be obtained in one step by [CBSE PMT 1997]

Predict the product ?B? in the sequence of reaction \[HC\equiv CH\underset{HgS{{O}_{4}}}{\mathop{\xrightarrow{30%{{H}_{2}}S{{O}_{4}}}}}\,A\xrightarrow{NaOH}B\] [CBSE PMT 2001]

Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction [EAMCET 2003]

\[C{{H}_{3}}-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-C{{H}_{2}}-COO{{C}_{2}}{{H}_{5}}\underset{{{H}_{2}}O}{\mathop{\xrightarrow{NaOH}}}\,A,\] product ?A? in the reaction is [RPMT 2003]

On reductive ozonolysis yields [Orissa JEE 2005]

An alkene of molecular formula \[{{C}_{9}}{{H}_{18}}\] on ozonolysis gives 2, 2 dimethyl propanal & 2-butanon, then the alkene is [Kerala CET 2005]

The reagent used in Gatterman Koch aldehyde synthesis is [CPMT 2004]

Glycerol reacts with potassium bisulphate to produce [Pb. CET 2003]

\[R-CH=C{{H}_{2}}+CO+{{H}_{2}}\] \[\underset{\text{High Pressure}}{\mathop{\xrightarrow{\text{High Temp}}}}\,RC{{H}_{2}}C{{H}_{2}}CHO.\] [DPMT 2004] The above reaction is

The oxidation of benzyl chloride with lead nitrate gives [MP PMT 2004]

Benzoin is [KCET 2004]

\[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgS{{O}_{4}}}}}\,\] A, the compound A is [Orissa JEE 2004]

Ethyne on reaction with water in the presence of \[HgS{{O}_{4}}\]and \[{{H}_{2}}S{{O}_{4}}\] gives [UPSEAT 1999; BVP 2003]

\[{{O}_{3}}\] reacts with \[C{{H}_{2}}=C{{H}_{2}}\] to form ozonide. On hydrolysis it forms [MP PET 1986, 90]

Ketones are prepared by

Hydrolysis of ozonide of 1-butene gives [Kerala PMT 2003]

The oxidation product of 2-propanol with hot conc. \[HN{{O}_{3}}\] is [JIPMER 1997]

Acetophenone is prepared from [CPMT 2003]

Which of the following on reaction with \[N{{H}_{3}}\] gives urinary antiseptic compound [MP PMT 1999]

\[C{{H}_{3}}COC{{H}_{_{3}}}\] can be obtained by [CBSE PMT 1992]

Propyne on hydrolysis in presence of HCl and \[HgS{{O}_{4}}\] gives [DPMT 1980; CPMT 1983]

Which of the following gases when passed through warm dilute solution of \[{{H}_{2}}S{{O}_{4}}\] in presence of \[HgS{{O}_{4}}\] gives acetaldehyde [EAMCET 1986]