Major product of the reaction is:

1.

2. 

3. 

4. $\mathrm{Ph}-\mathrm{CH}-\mathrm{CH}-\mathrm{Ph}$
$| |$
${\mathrm{CH}}_3 \mathrm{OH}$

Product obtained in above reactions (1), (2) & (3) is:
(a) A = B, C is different
(b) A = C, B is different
(c) B = C, A is different
(d) A = B = C is same

 $C{H}_3$
$|$
$C{H}_3—C—CH—C{H}_3$
$| |$
$C{H}_3 Br$  $\underset{∆}{\overset{\mathrm{EtOH}}{\to }}\left(A\right)$

Major product (A) is:

1. 

2.

3. 

4. 

Which one of the following compound will be least susceptible to elimination of hydrogen bromide ?
(1) Br-CH₂-CH₂-NO₂

(2) Br-CH₂-CH₂-CH3

(3) Br-CH₂-CH₂-CN

(4) Br-CH₂-CH₂-Co₂Et

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. 

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

(1)

(2)

(3)

(4)

End product (D) in the given sequence is:

$\begin{array}{ccccccc}{\mathrm{CH}}_3& -& \underset{\mathrm{Br}}{\underset{|}{\stackrel{\mathrm{Br}}{\stackrel{|}{\mathrm{C}}}}}& -& \stackrel{\mathrm{Br}}{\stackrel{|}{\underset{\mathrm{Br}}{\underset{|}{\mathrm{C}}}}}& -& {\mathrm{CH}}_3\end{array}$$\stackrel{{\mathrm{xNaNH}}_2}{\to }\stackrel{{\mathrm{yCH}}_3\mathrm{l}}{\to }$CH₃-C$\equiv \mathrm{C}-\mathrm{C}\equiv$C-CH₃

x and y mole consumed.

Value of x + y =

1. 5

2. 6

3. 7

4. 8

The major product obtained in the reaction of 1-phenyl-2-bromobutane with NaOMe is :

1. trans-1 -phenylbut-1-ene

2. cis-1-phenylbut-2-ene

3. 1-phenyl-2-ethoxybutane

4. cis-1-phenylbut-2-ene

Identify A:-

1.		2.
3.		4.