by DeepWebLabs
IIT-JAM-BT SERIES
Biotechnology

Organic Chemistry

12 previous year questions.

Volume: 12 Ques
Yield: Medium

High-Yield Trend

8
2021
4
2019

Chapter Questions
12 MCQs

01
PYQ 2019
medium
biotechnology ID: iit-jam-

The following reaction is an example of ............

1
enolization
2
racemization
3
isomerization
4
epimerization
02
PYQ 2019
medium
biotechnology ID: iit-jam-

Match the entries in Group I with the entries in Group II

1
P-iv, Q-i, R-ii, S-iii
2
P-iv, Q-i, R-iii, S-ii
3
P-iv, Q-iii, R-i, S-i
4
P-ii, Q-iv, R-i, S-iii
03
PYQ 2019
medium
biotechnology ID: iit-jam-
The concentration of NaCl (in mM) formed at the stoichiometric equivalence point when 10 mL of 0.1 M HCl solution is titrated with 0.2 M NaOH solution is ............
04
PYQ 2019
medium
biotechnology ID: iit-jam-
pK increases in the order .........
1
NH >NH OH >N H >NH
2
NH OH >N H >NH >NH
3
NH >NH OH >N H >NH
4
NH >N H >NH >NH OH
05
PYQ 2021
medium
biotechnology ID: iit-jam-

The number of chiral carbons in strychnine is ______.

06
PYQ 2021
medium
biotechnology ID: iit-jam-
Infrared (IR) spectroscopy is used for determining certain aspects of the structure of organic compounds. Which of the following statement(s) is/are FALSE?
1
IR radiation induces electronic transitions
2
IR peak intensities are related to molecular mass
3
Most organic functional groups absorb in a characteristic region of the IR spectrum
4
Each element absorbs at a characteristic wavelength
07
PYQ 2021
medium
biotechnology ID: iit-jam-

Which one of the following isomers is thermodynamically most stable?

1
A
2
B
3
C
4
D
08
PYQ 2021
medium
biotechnology ID: iit-jam-

Which one of the following is the major product of the hydrogenation reaction given below?

1
A
2
B
3
C
4
D
09
PYQ 2021
medium
biotechnology ID: iit-jam-

The following methylation is carried out in various solvents such as benzene, tetrahydrofuran (THF), dimethoxyethane (DME), dimethyl sulfoxide (DMSO) and N,N-dimethylformamide (DMF). Which one of the following is TRUE for the effect of solvent on the reaction rate?

1
DMSO>DMF>DME>THF>Benzene
2
Benzene>THF>DME>DMF>DMSO
3
DME>DMSO>DMF>THF>Benzene
4
THF>Benzene>DME>DMSO>DMF
10
PYQ 2021
medium
biotechnology ID: iit-jam-

IUPAC name of the following molecule is

1
3-Bromo-3,5-dimethyl hexane
2
4-Bromo-2,4-dimethyl hexane
3
3-Bromo-2-isobutyl butane
4
4-Bromo-2-methyl-4-ethyl pentane
11
PYQ 2021
medium
biotechnology ID: iit-jam-

Ethylbutyrate is responsible for the odor of pineapple. Which one of the following is the structure of ethyl butyrate?

1
A
2
B
3
C
4
D
12
PYQ 2021
medium
biotechnology ID: iit-jam-
The amount of hydrogen required to reduce 30 g of 2-butene is _______ g (rounded off to 2 decimals).