Stereoisomerism

Q. Number of isomers of molecular formula $C_2{H}_{2}B{r}_2$ are?

1. 1
2. 2
3. 3
4. 4

Q. The correct statement about the compounds I, II and III is:

1. I and II are identical
2. I and II are diastereomers
3. I and III are enantiomers
4. I and II are enantiomers

Q.

The total number of stereoisomers that can exist for M is

1. 2

2. 3

3. 4

4. No stereoisomers.

Q. Which one of the following is a chiral molecule?

1. 
2. 
3. 
4. 

Q. The group responsible for the removal of cations in ion-exchange resin is

1. $–N{H}_2$
2. $–COOH$
3. $–OH$
4. $–SH$

Q.

The number of stereoisomers possible for a compound of the molecular formula CH₃—CH=CH—(CHCl)—Me is:

1. 2

2. 4

3. 6

4. 3

Q. Among the following four structures, I to IV:

1. All four are chiral compounds
2. Only (I) and (II) are chiral compounds
3. Only (II) is a chiral compound
4. Only (II) and (IV) are chiral compounds

Q. How many optically active alcohols are possible having the molecular formula $C_5{H}_{12}O$?

1. \N
2. 2
3. 4
4. 6

Q. Which of the following is the most symmetrical crystal system for 2-D space lattice?

1. Hexagonal unit cell
2. Rectangular unit cell
3. Rhombic unit cell
4. Square unit cell

Q. How many stereomers are present in the given molecule?

1. 8
2. 4
3. 2
4. \N

Q. The number of isomers of the compound that has the molecular formula $C_2{H}_{2}C{l}_2$ is: .

Q.

The correct statement(s) about the following compound
$H_{3}C\left(OH\right)HC-CH=CH-CH\left(OH\right)C{H}_3\left(X\right)$ is/are:

1. The total number of stereoisomers possible for (X) is 6.

2. The total number of diastereomers possbile for (X) is 3.

3. If the stereochemistry about the double bond in (X) is trans, the number of enantiomers possible for (X) is 4.

4. If the stereochemistry about the double bond in (X) is cis, the number of enantiomers possible for (X) is 2.