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
The product X in the below mentioned reaction is:
1. | 2. | ||
3. | 4. |
Product; Product of the reaction is:
1.
2.
3.
4. No reaction
(A) product
Major product (A) is:
1.
2.
3.
4.
Which set of reagents will produce freon ()?
(1)
(2)
(3)
(4)
Vicinal and geminal dihalides can be distinguished by:
(1) KOH (aq)
(2) KOH (alc.)
(3) Zn dust
(4) none of those
1-2-dichloro ethane +
Unknown product (P) of the above reaction is:
1.
2.
3.
4.
Consider the following alcohols :
The order of decreasing reactivities of these alcohols towards substitution with HBr is:
(1) III > I > IV > II
(2) III > I > II > IV
(3) I > III > IV > II
(4) I > III > II > IV
When ethane and bromine are allowed to interact in sunlight, how many distinct substitution products are possible?
1. | 9 | 2. | 6 |
3. | 8 | 4. | 5 |
Which hydrogen can the Br radical abstract the most easily?
1. a
2. b
3. c
4. d
1. | 2. | ||
3. |
1. | 1 > 2 > 3 | 2. | 2 > 3 > 1 |
3. | 2 > 1 > 3 | 4. | 3 > 2 > 1 |
Two alkenes, X(91% yield) and Y(9% yield) are formed when the following compound is heated.
The structures of X and Y, respectively are:
1.
2.
3.
4.
Identify ′Z′ in the following reaction series,
:
(1) Mixture of and
(2)
(3)
(4)