Which of the following reactions generates the major product? Ignore stereoisomerism
(1)
(2)
(3)
(4)
In the given selective hydrogenation which combination is incorrect ?
1. (w.c. = wilkinsons catalyst)
2. (w.c. = wilkinsons catalyst)
3.
4.
Compound (C) in above sequence of reaction is:
1.
2.
3.
4.
(A);
Major product (A) is:
(a)
(b)
(c)
(d)
In the reaction given below, the product would be:-
1. a mixture of diastereomers
2. optically active
3. optically pure enantiomer
4. a racemic mixture
Possible products (y) products
The number of possible products for x and y is:
(a) 2,4
(b) 3,5
(c) 3,6
(d) 3,4
Product (C) of the above reaction is :
(a) 1,3-Hexadiene
(b) 1,4-Pentadiene
(c) 1,3-Butadiene
(d) 1,3-Heptadiene
To achieve above conversion, the reagents used will be:
(a) O3/H2O2, HO-/
(b) HBr, alc. KOH, O3, LiAlH4, H+/
(c) HBr, t-BuOK, O3, KMnO4,
(d) HBr, alc. KOH, O3, KMnO4,
; Product (B) is:
Product (K) of the above reaction is:
1.
2.
3.
4.