\[0.0833\,mol\] of carbohydrate of empirical formula \[C{{H}_{2}}O\] contain \[1g\] of hydrogen. The molecular formula of the carbohydrate is [DCE 2003; BVP 2004]

\[{{C}_{5}}{{H}_{10}}{{O}_{5}}\]

\[{{C}_{3}}{{H}_{4}}{{O}_{3}}\]

\[{{C}_{12}}{{H}_{22}}{{O}_{11}}\]

\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]

An organic compound contains 49.3% carbon 6.84% hydrogen and its vapour density is 73. Molecular formula of the compound is [MP PET 2000; Kerala PMT 2004; Pb. CET 2004]

\[{{C}_{3}}{{H}_{10}}{{O}_{2}}\]

\[{{C}_{3}}{{H}_{5}}{{O}_{2}}\]

\[{{C}_{6}}{{H}_{10}}{{O}_{4}}\]

\[{{C}_{3}}{{H}_{10}}{{O}_{2}}\]

\[{{C}_{4}}{{H}_{10}}{{O}_{2}}\]

IUPAC name of the compound \[C{{H}_{3}}-C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\underset{\underset{\underset{\overset{\underset{\begin{matrix} C{{H}_{3}} & C{{H}_{3}}\,\,\,\\ \end{matrix}}{\mathop{\hat{\ }}}\,}{\mathop{{}}}\,}{\mathop{CH\,\,\,\,\,\,\,\,}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH\,\,\,-\,\,C{{H}_{2}}-C{{H}_{2}}C{{H}_{3}}}}\,\] [Orissa JEE 2003]

3- methyl-5-(1?-methylethyl) octane

6-methyl-4-(1?methylethyl) octane

Which is the IUPAC name of \[C{{H}_{3}}\underset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\overset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{2}}Cl}}}\,}}}\,\] [KCET (Engg./Med.) 1999]

1-chloro-2, 2-diethyl-2 methylethane

1-chloro-2-ethyl-2 methylbutane

1-chloro-2, 2-diethyl-2 methylethane

The IUPAC name of the compound \[C{{H}_{3}}-\underset{OH\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C=CH}}\,}}\,-C{{H}_{2}}-COOH\] is [AIIMS 1998]

4-hydroxy-4-methyl-3-butenoic acid

The IUPAC name for \[C{{H}_{3}}CH=CHC{{H}_{2}}\underset{N{{H}_{2}}\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CHC{{H}_{2}}}}\,}}\,COOH\] is [CBSE PMT 1995]

\[\beta -\] amino-\[\delta -\]heptenoic acid

5-aminohex-2-ene carboxylic acid

\[\beta -\] amino-\[\delta -\]heptenoic acid

The structure of 4-methyl pentene-2 is [BHU 1988]

\[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}CH=CH-C{{H}_{3}}\]

\[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}CH=C{{H}_{2}}\]

\[{{(C{{H}_{3}})}_{2}}CH-CH=CH-C{{H}_{3}}\]

\[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}CH=CH-C{{H}_{3}}\]

\[{{(C{{H}_{3}})}_{2}}C=CHC{{H}_{2}}C{{H}_{3}}\]

IUPAC name of \[C{{H}_{2}}=CH-CH(C{{H}_{3}}C{{H}_{2}})\underset{Br}{\mathop{\underset{|\,\,\,\,\,}{\mathop{C=}}\,}}\,C{{H}_{2}}\] is ?..[JEE Orissa 2004]

2-bromo-3-ethyl-1, 5-pentadiene

4-bromo-3-ethyl-1, 4-pentadiene

2-bromo-3-ethyl-1, 4-pentadiene

2-bromo-3-ethyl-1, 5-pentadiene

Which compound is 2, 2, 3-trimethylhexane [IIT-JEE 1986]

\[\begin{matrix} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\\ C{{H}_{3}}-CH-C{{H}_{2}}-C{{H}_{2}}-C-C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\\ \,\,\,\,\,C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\\ \end{matrix}\]

\[\begin{matrix} C{{H}_{3}}\,\,C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\\ |\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ C{{H}_{3}}-C-CH-C{{H}_{2}}-C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ \end{matrix}\]

\[\begin{matrix} \,\,\,C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\\ C{{H}_{3}}-C-C{{H}_{2}}-CH-C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ \end{matrix}\]

\[\begin{matrix} C{{H}_{3}}\,C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ |\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ C{{H}_{3}}-C-CH-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\\ \end{matrix}\]

\[\begin{matrix} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\\ \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\\ C{{H}_{3}}-CH-C{{H}_{2}}-C{{H}_{2}}-C-C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\\ \,\,\,\,\,C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{H}_{3}}\\ \end{matrix}\]

The compound formed in the positive test for nitrogen with the lassaigne solution of an organic compounds is [AIEEE 2004]

\[N{{a}_{4}}[Fe{{(CN)}_{5}}NOS]\]

\[F{{e}_{4}}{{[Fe{{(CN)}_{6}}]}_{3}}\]

\[N{{a}_{4}}[Fe{{(CN)}_{5}}NOS]\]

84 + Mcqs in Organic Chemistry: Some Basic Principles & Techniques in Chemistry Page 1 McqOptions

1.	Butanone is a four-carbon compound with the functional group
A.	carboxylic acid
B.	aldehyde
C.	ketone
D.	alcohol
Answer» D. alcohol

2.	Organic compounds will always contain
A.	carbon
B.	hydrogen
C.	nitrogen
D.	sulphur
Answer» B. hydrogen

3.	Which is a general formula of alkenes?
A.	\[{{C}_{n}}{{H}_{2n+2}}\]
B.	\[{{C}_{n}}{{H}_{2n}}\],
C.	\[{{C}_{n}}{{H}_{2n-2}}\]
D.	None of these
Answer» C. \[{{C}_{n}}{{H}_{2n-2}}\]

5.	If 0.228 g of silver salt of dibasic acid gave a residue of 0.162g of silver on ignition then molecular weight of the acid is [AIIMS 2000]
A.	70
B.	80
C.	90
D.	100
Answer» D. 100

7.	IUPAC name of the compound \[C{{H}_{3}}-C{{H}_{2}}-\overset{C{{H}_{3}}}{\mathop{\overset{\|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\underset{\underset{\underset{\overset{\underset{\begin{matrix} C{{H}_{3}} & C{{H}_{3}}\,\,\,\\ \end{matrix}}{\mathop{\hat{\ }}}\,}{\mathop{{}}}\,}{\mathop{CH\,\,\,\,\,\,\,\,}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CH\,\,\,-\,\,C{{H}_{2}}-C{{H}_{2}}C{{H}_{3}}}}\,\] [Orissa JEE 2003]
A.	4-isopropyl 1-6-methyl octane
B.	3- methyl-5-(1?-methylethyl) octane
C.	3-methyl-5-isopropyl octane
D.	6-methyl-4-(1?methylethyl) octane
Answer» C. 3-methyl-5-isopropyl octane

8.	A hydrocarbon contains 10.5 gm carbon and 1gm hydrogen. Its 2.4 gm has 1 litre volume at 1 atm and \[{{127}^{o}}C\], hydrocarbon is [UPSEAT 2003]
A.	\[{{C}_{6}}{{H}_{7}}\]
B.	\[{{C}_{6}}{{H}_{8}}\]
C.	\[{{C}_{5}}{{H}_{6}}\]
D.	None of these
Answer» B. \[{{C}_{6}}{{H}_{8}}\]

9.	How many H-atoms are present in 0.046 g of ethanol [DCE 2003]
A.	\[6\times {{10}^{20}}\]
B.	\[1.2\times {{10}^{21}}\]
C.	\[3\times {{10}^{21}}\]
D.	\[3.6\times {{10}^{21}}\]
Answer» E.

10.	The IUPAC name of the compound \[C{{H}_{3}}-CH({{C}_{2}}{{H}_{5}})-CH=CH-C{{H}_{3}}\]is [BHU 2002]
A.	4-ethyl-2-pentene
B.	4-methyl 2-hexene
C.	3-ethyl-2-pentene
D.	2-ethyl-3-pentene
Answer» C. 3-ethyl-2-pentene

11.	The IUPAC name of \[C{{H}_{3}}-\overset{OH}{\mathop{\overset{\|\,\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\overset{\overset{C{{H}_{3}}\,\,\,\,\,\,\,\,}{\mathop{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CHCHO}}\,\] is [JIPMER 2002]
A.	4 Hydroxy-2-methylpentanal
B.	2-hydroxy-4 methyl pentanal
C.	2-methyl pent-4-ol-1-al
D.	None of these
Answer» B. 2-hydroxy-4 methyl pentanal

12.	The IUPAC name of thecompound \[C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{2}}-C\equiv CH\]is [CBSE PMT 2002; MP PMT 2003]
A.	1, 5-hexenyne
B.	1-hexyne-5-ene
C.	1, 5-hexynene
D.	1-hexene-5-yne
Answer» E.

13.	IUPAC name of compound is \[C{{H}_{3}}-C{{H}_{2}}-CH(C{{H}_{3}})-C{{H}_{2}}-COCl\] [RPMT 2002]
A.	3-methyl pentanoyl chloride
B.	3-methyl butanoyl chloride
C.	1-chloro-3-methyl pentanol
D.	None of these
Answer» B. 3-methyl butanoyl chloride

15.	General formula of paraffin is [RPMT 2002]
A.	\[{{C}_{n}}{{H}_{2n}}\]
B.	\[{{C}_{n}}{{H}_{2n-2}}\]
C.	\[{{C}_{n}}{{H}_{2n+2}}\]
D.	\[{{C}_{2n}}{{H}_{2n}}\]
Answer» D. \[{{C}_{2n}}{{H}_{2n}}\]

16.	The IUPAC name of \[C{{H}_{3}}C\equiv CCH\,{{(C{{H}_{3}})}_{2}}\]is [UPSEAT 2001]
A.	4 methyl-2 pentyne
B.	4, 4-dimethyl-2-butyne
C.	Methyl isopropyl acetylene
D.	2-methyl-4-pentyne
Answer» B. 4, 4-dimethyl-2-butyne

17.	The IUPAC name of the compound \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{\|\,\,\,\,}{\mathop{C\,}}\,=}}\,C{{H}_{2}}C{{H}_{2}}OH\] is [BHU 2001]
A.	2-methyl-2-butenol
B.	2-methyl-3-butenol
C.	3-methyl-2-butenol
D.	3-methyl- but-2-ene-1-ol
Answer» E.

18.	IUPAC name of the following compound is [AIIMS 2003]
A.	3-methyl cyclohexene
B.	1-methyl cyclohex-2-ene
C.	6-methyl cyclohexene
D.	1-methyl cyclohex-5-ene
Answer» B. 1-methyl cyclohex-2-ene

14.	The IUPAC name of picric acid is [KCET 2002]
A.	2,4,6-trinitrophenol
B.	2,4,6-trinitrobenzoic acid
C.	4-nitrophenol
D.	None of these
Answer» B. 2,4,6-trinitrobenzoic acid

19.	The IUPAC name of compound \[C{{H}_{3}}-C{{(C{{H}_{3}})}_{2}}-C{{H}_{2}}-CH=C{{H}_{2}}\] is [CPMT 2001]
A.	2, 2-dimethyl pent-4-ene
B.	2, 2 dimethyl-2-pentene
C.	1, 1, 1-trimethyl but-3-ene
D.	4, 4-dimethyl pent-1-ene
Answer» E.

20.	Which C-atoms is the most electronegative in this structure \[\overset{\text{III}}{\mathop{C{{H}_{3}}}}\,-\overset{\text{II}}{\mathop{C{{H}_{2}}}}\,-C\equiv \overset{\text{I}}{\mathop{CH}}\,\] [CPMT 2001]
A.	I
B.	II
C.	III
D.	All are equal electronegative
Answer» B. II

21.	The IUPAC name of \[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-C{{H}_{2}}Br\] is [MH CET 2001; CBSE PMT 2001; Pb. PMT 2004]
A.	1-bromo pentane
B.	2-methyl and 4 bromo butane
C.	1-bromo and 3-methyl butane
D.	2-methyl and 3 bromo propane
Answer» D. 2-methyl and 3 bromo propane

22.	IUPAC name of the compoundis \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{\|\,\,\,\,\,\,}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{\|\,\,\,\,\,}{\mathop{CH}}\,}}\,}}\,}}\,-C{{H}_{2}}-CH(OH)-C{{H}_{3}}\] is [DPMT 1985; MP PMT 1987; AFMC 1997]
A.	4-ethyl-2-pentanol
B.	4-methyl-2-hexanol
C.	2-ethyl-2-pentanol
D.	3-methyl-2-hexanol
Answer» C. 2-ethyl-2-pentanol

23.	IUPAC name of the \[{{(C{{H}_{3}})}_{2}}CHCH{{(C{{H}_{3}})}_{2}}\] is [MP PMT 1986]
A.	1, 1, 2, 3-tetramethylethane
B.	1, 2-di-isopropylethane
C.	2, 3-dimethylbutane
D.	2, 3, 3-trimethylbutane
Answer» D. 2, 3, 3-trimethylbutane

24.	Which of the following compound has the functional group \[-\text{ }OH\]
A.	1, 2-ethandiol
B.	2-butanone
C.	Nitrobenzene
D.	Ethanal
Answer» B. 2-butanone

25.	The IUPAC name of the compound \[CHO-{{(C{{H}_{2}})}_{4}}-COOH\] [DCE 1999]
A.	Heaxan-1-al-6-oic acid
B.	Formyl-hexanoic acid
C.	Hexanal-1-carboxylic acid
D.	Hexanoic acid 5-al-1
Answer» C. Hexanal-1-carboxylic acid

26.	Which is the IUPAC name of \[C{{H}_{3}}\underset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\overset{{{C}_{2}}{{H}_{5}}\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\overset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{2}}Cl}}}\,}}}\,\] [KCET (Engg./Med.) 1999]
A.	1-chloro-2, 2-diethylpropane
B.	3-chloro-2, 2-diethylpropane
C.	1-chloro-2-ethyl-2 methylbutane
D.	1-chloro-2, 2-diethyl-2 methylethane
Answer» D. 1-chloro-2, 2-diethyl-2 methylethane

27.	The IUPAC name of the compound \[C{{H}_{3}}-\underset{OH\,\,\,\,\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C=CH}}\,}}\,-C{{H}_{2}}-COOH\] is [AIIMS 1998]
A.	Hydroxypentenoic acid
B.	4-hydroxy-3-pentenoic acid
C.	4-hydroxy-4-pentenoic acid
D.	4-hydroxy-4-methyl-3-butenoic acid
Answer» C. 4-hydroxy-4-pentenoic acid

Explore topic-wise MCQs in Chemistry.

Butanone is a four-carbon compound with the functional group

Organic compounds will always contain

Which is a general formula of alkenes?

\[0.0833\,mol\] of carbohydrate of empirical formula \[C{{H}_{2}}O\] contain \[1g\] of hydrogen. The molecular formula of the carbohydrate is [DCE 2003; BVP 2004]

If 0.228 g of silver salt of dibasic acid gave a residue of 0.162g of silver on ignition then molecular weight of the acid is [AIIMS 2000]

An organic compound contains 49.3% carbon 6.84% hydrogen and its vapour density is 73. Molecular formula of the compound is [MP PET 2000; Kerala PMT 2004; Pb. CET 2004]

A hydrocarbon contains 10.5 gm carbon and 1gm hydrogen. Its 2.4 gm has 1 litre volume at 1 atm and \[{{127}^{o}}C\], hydrocarbon is [UPSEAT 2003]

How many H-atoms are present in 0.046 g of ethanol [DCE 2003]

The IUPAC name of the compound \[C{{H}_{3}}-CH({{C}_{2}}{{H}_{5}})-CH=CH-C{{H}_{3}}\]is [BHU 2002]

The IUPAC name of \[C{{H}_{3}}-\overset{OH}{\mathop{\overset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\overset{\overset{C{{H}_{3}}\,\,\,\,\,\,\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}{\mathop{CHCHO}}\,\] is [JIPMER 2002]

The IUPAC name of thecompound \[C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{2}}-C\equiv CH\]is [CBSE PMT 2002; MP PMT 2003]

IUPAC name of compound is \[C{{H}_{3}}-C{{H}_{2}}-CH(C{{H}_{3}})-C{{H}_{2}}-COCl\] [RPMT 2002]

The IUPAC name of picric acid is [KCET 2002]

General formula of paraffin is [RPMT 2002]

The IUPAC name of \[C{{H}_{3}}C\equiv CCH\,{{(C{{H}_{3}})}_{2}}\]is [UPSEAT 2001]

The IUPAC name of the compound \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{C\,}}\,=}}\,C{{H}_{2}}C{{H}_{2}}OH\] is [BHU 2001]

IUPAC name of the following compound is [AIIMS 2003]

The IUPAC name of compound \[C{{H}_{3}}-C{{(C{{H}_{3}})}_{2}}-C{{H}_{2}}-CH=C{{H}_{2}}\] is [CPMT 2001]

Which C-atoms is the most electronegative in this structure \[\overset{\text{III}}{\mathop{C{{H}_{3}}}}\,-\overset{\text{II}}{\mathop{C{{H}_{2}}}}\,-C\equiv \overset{\text{I}}{\mathop{CH}}\,\] [CPMT 2001]

The IUPAC name of \[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-C{{H}_{2}}Br\] is [MH CET 2001; CBSE PMT 2001; Pb. PMT 2004]

IUPAC name of the compoundis \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{|\,\,\,\,\,}{\mathop{CH}}\,}}\,}}\,}}\,-C{{H}_{2}}-CH(OH)-C{{H}_{3}}\] is [DPMT 1985; MP PMT 1987; AFMC 1997]

IUPAC name of the \[{{(C{{H}_{3}})}_{2}}CHCH{{(C{{H}_{3}})}_{2}}\] is [MP PMT 1986]

Which of the following compound has the functional group \[-\text{ }OH\]

The IUPAC name of the compound \[CHO-{{(C{{H}_{2}})}_{4}}-COOH\] [DCE 1999]

The IUPAC name of the compound \[C{{H}_{3}}-\underset{OH\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C=CH}}\,}}\,-C{{H}_{2}}-COOH\] is [AIIMS 1998]

The IUPAC name for the formula \[C{{H}_{3}}-\underset{C{{H}_{3}}\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{C=\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-COOH\] [Pb. PMT 1998]

IUPAC name of \[C{{H}_{3}}-CH=CH-C\equiv CH\] is [CPMT 1997]

The IUPAC name for \[C{{H}_{3}}CH=CHC{{H}_{2}}\underset{N{{H}_{2}}\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CHC{{H}_{2}}}}\,}}\,COOH\] is [CBSE PMT 1995]

IUPAC name of \[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-C{{H}_{2}}Br\] is [CBSE PMT 1996]

The IUPAC name of succinic acid is [IIT-JEE 1994]

The structure of 4-methyl pentene-2 is [BHU 1988]

The IUPAC name of \[C{{H}_{3}}-C{{H}_{2}}CH=\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CC{{H}_{2}}OH}}\,}}\,\] will be [MP PET/PMT 1988]

What is the correct IUPAC name for \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{\overset{H\,\,\,}{\mathop{\overset{|\,\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,CH=CH-C{{H}_{2}}-\overset{O\,\,\,\,}{\mathop{\overset{||\,\,\,\,}{\mathop{C-}}\,}}\,OH\] [MP PET 1995]

IUPAC name of tertiary butyl alcohol is [CPMT 1994]

The IUPAC name of \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-CHO\] will be [CBSE PMT 1992; JIPMER (Med.) 2002]

The IUPAC name of \[C{{H}_{3}}C\equiv CCH{{(C{{H}_{3}})}_{2}}\] is [MNR 1993; Pb CET 2004]

The IUPAC name of the compound \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-C{{H}_{2}}-OH\] is [KCET 1990]

The IUPAC name of \[C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{C=}}\,}}\,C{{H}_{2}}\] is [EAMCET 1992; Pb. PMT 99]

Write the IUPAC name of \[C{{H}_{3}}C{{H}_{2}}COOH\] [AFMC 2004]

IUPAC name of \[C{{H}_{2}}=CH-CH(C{{H}_{3}}C{{H}_{2}})\underset{Br}{\mathop{\underset{|\,\,\,\,\,}{\mathop{C=}}\,}}\,C{{H}_{2}}\] is ?..[JEE Orissa 2004]

Which of the following compounds is not chiral[AIEEE 2004]

The IUPAC name of \[C{{H}_{3}}C{{H}_{2}}COC{{H}_{2}}C{{H}_{3}}\] is [EAMCET 1992]

Which compound is 2, 2, 3-trimethylhexane [IIT-JEE 1986]

The IUPAC name of \[C{{H}_{3}}C\equiv N\]is [CPMT 1990]

The compound formed in the positive test for nitrogen with the lassaigne solution of an organic compounds is [AIEEE 2004]

The compound having only primary hydrogen atoms is [AIIMS 2004]

28.	IUPAC name of \[C{{H}_{3}}-\underset{{{C}_{2}}{{H}_{5}}\,\,}{\mathop{\underset{\|\,\,\,\,\,\,}{\mathop{\overset{H\,\,\,}{\mathop{\overset{\|\,\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{{{C}_{4}}{{H}_{9}}\,\,\,\,\,}{\mathop{\overset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C-C{{H}_{3}}}}\,}}\,}}\,}}\,\] is [BHU 1998; KCET (Engg./Med) 2000]
A.	2-butyl-2-methyl-3-ethylbutane
B.	2-ethyl-3, 3-dimethylheptane
C.	3, 4, 4-trimethylheptane
D.	3, 4, 4-trimethyloctane
Answer» E.

29.	The IUPAC name for the formula \[C{{H}_{3}}-\underset{C{{H}_{3}}\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,}{\mathop{C=\overset{H}{\mathop{\overset{\|}{\mathop{C}}\,}}\,}}\,}}\,-COOH\] [Pb. PMT 1998]
A.	2-methyl-2-butenoic acid
B.	3-methyl-3-butenoic acid
C.	3-methyl-2-butenoic acid
D.	2-methyl-3-butenoic acid
Answer» D. 2-methyl-3-butenoic acid

30.	IUPAC name of \[C{{H}_{3}}-CH=CH-C\equiv CH\] is [CPMT 1997]
A.	Pent-2-en-4-yne
B.	Pent-3-en-1-yne
C.	Pent-3-yne-1-en
D.	Pent-2-yne-1-en
Answer» C. Pent-3-yne-1-en

31.	The IUPAC name for \[C{{H}_{3}}CH=CHC{{H}_{2}}\underset{N{{H}_{2}}\,\,\,\,\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CHC{{H}_{2}}}}\,}}\,COOH\] is [CBSE PMT 1995]
A.	5-aminohex-2-ene carboxylic acid
B.	5-amino-2-heptenoic acid
C.	3-amino-5-heptenoic acid
D.	\[\beta -\] amino-\[\delta -\]heptenoic acid
Answer» D. \[\beta -\] amino-\[\delta -\]heptenoic acid

32.	IUPAC name of \[{{(C{{H}_{3}})}_{2}}CH-C{{H}_{2}}-C{{H}_{2}}Br\] is [CBSE PMT 1996]
A.	1-bromopentane
B.	2-methyl-4-bromobutane
C.	1-bromo-3-methylbutane
D.	2-methyl-3-romopropane
Answer» D. 2-methyl-3-romopropane

33.	The IUPAC name of succinic acid is [IIT-JEE 1994]
A.	1, 4-butanedioic acid
B.	Dimethyl-2-acid
C.	1, 2-dimethyldioic acid
D.	None of these
Answer» B. Dimethyl-2-acid

35.	The IUPAC name of \[C{{H}_{3}}-C{{H}_{2}}CH=\underset{C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{\|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CC{{H}_{2}}OH}}\,}}\,\] will be [MP PET/PMT 1988]
A.	2-methyl pentyl alcohol
B.	4-methyl-3-pentene-ol
C.	2-methyl pent-2-ene-1-ol
D.	4-methyl pentyl alcohol
Answer» D. 4-methyl pentyl alcohol

36.	What is the correct IUPAC name for \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\mathop{\underset{\|\,\,\,\,}{\mathop{\overset{H\,\,\,}{\mathop{\overset{\|\,\,\,\,\,}{\mathop{C-}}\,}}\,}}\,}}\,CH=CH-C{{H}_{2}}-\overset{O\,\,\,\,}{\mathop{\overset{\|\|\,\,\,\,}{\mathop{C-}}\,}}\,OH\] [MP PET 1995]
A.	5-methyl-3-hexenoic acid
B.	5-carboxyl-2-methylpentene
C.	4-isopropyl-3-butenoic acid
D.	None of above
Answer» B. 5-carboxyl-2-methylpentene

37.	IUPAC name of tertiary butyl alcohol is [CPMT 1994]
A.	Butan-1-ol
B.	Butan-2-ol
C.	2-methyl propan-1-ol
D.	2-methyl propan-2-ol
Answer» E.

38.	The IUPAC name of \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{\|\,\,\,\,}{\mathop{CH}}\,}}\,-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{\|\,\,\,\,}{\mathop{CH}}\,}}\,-CHO\] will be [CBSE PMT 1992; JIPMER (Med.) 2002]
A.	4-hydroxy-1-methylpentanal
B.	4-hydroxy-2-methylpentanal
C.	3-hydroxy-2-methylpentanal
D.	3-hydroxy-3-methylpentanal
Answer» C. 3-hydroxy-2-methylpentanal