unit-iii-poc-iii

unit-iii-poc-iii

University

25 Qs

quiz-placeholder

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unit-iii-poc-iii

unit-iii-poc-iii

Assessment

Quiz

Chemistry

University

Hard

Created by

chanda ranjan

Used 1+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows atropisomerism?

Toluene

Biphenyl

Benzene

Ethylbenzene

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following reactions produce different stereoisomers selectively?

Stereospecific

Stereoselective

Regioselective

Chemoselective

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which conformer of n-butane is most stable?

Fully eclipsed

Gauche

Anti

Half-chair

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which heterocyclic compound is most aromatic?

Pyrrole

Thiophene

Furan

Indole

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following contains a nitrogen atom in the ring?

Thiophene

Furan

Pyrrole

Benzofuran

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which reagent is typically used in the synthesis of pyrrole?

Acetylene and ammonia

1,4-dicarbonyl compounds and ammonia

Phenol and acetic acid

Ethyl acetate

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following reactions is common for furan, thiophene, and pyrrole?

Friedel-Crafts acylation

Electrophilic substitution

Hydrogenation

Elimination

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