Isomerism

The possible number of stereoisomers for 5-phenylpent-4-en-2-ol is .

How many different stereoisomers are possible for the given molecule? [figure]

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

The incorrect statements regarding geometrical isomerism are : Choose the correct answer from the options given below :

1. A and E Only
2. A, D and E Only
3. C, D and E Only
4. B and C Only

Total number of stereo isomers possible for the given structure : [figure]

1. 4
2. 2
3. 8
4. 3

The number of optical isomers in following compound is : . [figure]

The number of optically active compounds from the following is . [figure] CH3-CH2-CH2-CH2-OH, CH3-CH2- Cl |CH-CH3, CH3-CH2-CH2-CH2-Cl, (CH3)2CH-CH2-CH2-Cl

Which of the following is metamer of the given compound (X) ? [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The incorrect statement regarding the geometrical isomers of 2-butene is :

1. cis-2-butene and trans-2-butene are not interconvertible at room temperature.
2. trans-2-butene is more stable than cis-2-butene.
3. cis-2-butene has less dipole moment than trans-2-butene.
4. cis-2-butene and trans-2-butene are stereoisomers.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below :

1. (A) is true but (R) is false
2. (A) is false but (R) is true
3. Both (A) and (R) are true and (R) is the correct explanation of (A)
4. Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

Match List - I with List - II. Choose the correct answer from the options given below :

1. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
2. (A)-(III), (B)-(I), (C)-(II), (D)-(IV)
3. (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
4. (A)-(I), (B)-(III), (C)-(IV), (D)-(II)