Given below two statements:
| Assertion(A): | A compound having a non-superimposable mirror image is optically active. |
| Reason(R): | Optically active compound must contain chiral carbon. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Most stable carbanion intermediate in following is :
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | All of these are equally stable. |

The IUPAC name of the above mentioned compound is -
1. Citric acid
2. 3-Hydroxy pentane-1,5-dioic acid
3. 2-Hydroxypropane-1,2,3-tricarboxylic acid
4. 2-Carboxy-2-hydroxy propane-1,3-dicarboxylic acid
The pair that represents chain isomers is :-
| 1. | ||
| 2. | ||
| 3. | ||
| 4. |
The pair among the following that does not contain position isomers is -
| 1. | ![]() |
| 2. | ![]() |
| 3. | ![]() |
| 4. | ![]() |
Which of the following compound exhibit optical isomerism?
1. 
2. 
3. 
4. All of these
Arrange the following in order of their reactivity toward electrophilic substitution reaction:
| I. | ![]() |
II. | ![]() |
| III. | ![]() |
Iv. | ![]() |
| 1. | I > II > III > IV | 2. | IV > III > II > I |
| 3. | II > I > IV > III | 4. | II > I > III > IV |
Which of the following compound requires minimum energy for free rotation across double bond between ring :
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
The molecule that exhibits non-planarity is:
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
The aromatic compound among the following is:-
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |