The main product A and B in the above mentioned reaction are respectively- 

1. 

2. 

3. 

4. 

Which of the following aromatic halide can under goes nucleophilic substitution easily when heated with ${\mathrm{H}}_2\mathrm{O}$ :

1. 

2. 

3. 

4. 

Suppose the following reaction :

The structure of main product will be:

1. 

2. 

3. 

4. 

Alkanes are almost insoluble in water because alkanes are

(1) Nonpolar

(2) Zigzag

(3) Lighter than water

(4) Heavier than water

Which of the following reaction does not give ethane as a product?

1.  ${\mathrm{CH}}_3 - \mathrm{Cl}\underset{\mathrm{dry} \mathrm{either}}{\overset{\mathrm{Na}}{\to }}$

2.  ${\mathrm{CH}}_3-\mathrm{COOH}\underset{\mathrm{lime}}{\overset{\mathrm{Soda}}{\to }}$

3.  ${\mathrm{CH}}_3-\mathrm{COOK}\stackrel{\mathrm{electrolysis}}{\to }$

4.  ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\mathrm{O}-{\mathrm{CH}}_2-{\mathrm{CH}}_3\underset{\mathrm{Hl}}{\overset{\mathrm{Red} \mathrm{P}}{\to }}$

A and B respectively are:-

1.  

2.  

3.  

4.  

1.  $\mathrm{Ph} - \mathrm{CH}2 - \mathrm{CH} = \mathrm{CH} - {\mathrm{CH}}_2\mathrm{Br}$

2.  $\mathrm{PH} - \stackrel{\mathrm{Br}}{\stackrel{|}{\mathrm{CH}}} - \mathrm{CH} = \mathrm{CH} - {\mathrm{CH}}_3$

3.  $\mathrm{Ph} - {\mathrm{CH}}_2 - {\mathrm{CH}}_2 - \underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}} - {\mathrm{CH}}_3$

4.  $\mathrm{Ph} - {\mathrm{CH}}_2 - \underset{\mathrm{Br}}{\underset{|}{\mathrm{CH}}} - {\mathrm{CH}}_2 - {\mathrm{CH}}_3$

o-xylene on reductive ozonolysis gives

1.  

2.  

3.  

4.  

Which is not obtained when metal carbides react with ${\mathrm{H}}_2\mathrm{O}$?

$1. {\mathrm{Al}}_4{\mathrm{C}}_3 + {\mathrm{H}}_2\mathrm{O} \to \mathrm{CH}\equiv \mathrm{CH}$
$2. {\mathrm{CaC}}_2 + {\mathrm{H}}_2\mathrm{O} \to \mathrm{CH}\equiv \mathrm{CH}$
$3. {\mathrm{Mg}}_2{\mathrm{C}}_3 + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{CH}$
$4. {\mathrm{Be}}_2\mathrm{C} + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{CH}}_4$

Consider the following reaction:-

A and B are isomeric compounds. Additionally, A is a monochloro derivative. These two can be differentiated easily by using:

1. AgN$O_3$(aq)

2. ${\mathrm{Br}}_2/{\mathrm{FeCl}}_3$

3. Conc.HN${\mathrm{O}}_3$/$\mathrm{Conc}.{\mathrm{H}}_2{\mathrm{SO}}_4$

4. NaCl(aq)