What is produced when Br₂ is added to cis-but-2-ene?

1. Racemic mixture of 2,3-Dibromobutane

2. Meso form of 2,3-Dibromobutane

3. Dextro form of 2,3-Dibromobutane

4. Laevo form of 2,3-Dibromobutane 

When ethane and bromine are allowed to interact in sunlight, how many distinct substitution products are possible?

In the dehydrohalogenation of 2-bromobutane; which conformation leads to the formation of cis-2-butene ?

(1)

(2)

(3)

(4)

Which of the following biphenyls is optically active?

1.
2.
3.
4.

When hydrolyzed with aqueous KOH, compounds that undergoes racemization are:

(i)		(ii)	CH3CH2CH2Cl
(iii)		(iv)

Which of the following compounds are optically active?

(i). 

(ii). 

(iii). 

(iv). 

1. (i) & (ii)

2. (i) & (iii)

3. (ii) & (iii)

4. (i) & (iv)

Which of the following shows geometrical isomerism?

1.		2.
3.		4.

The number of structural isomers possible for the compound with the formula C₄H₉Br, is-

1. 5 

2. 6

3. 4

4. 2

How many dihalogen derivatives of propane are there?

obtained by chlorination of n-butane, will be:
1.  Meso form
2.  Racemic mixture
3.  d-form
4.  l-form