In the given reaction 
 
The product P is

1. 

2.  

3.  

4.  

In which of the following molecules, all atoms are coplanar?

1.  

2.  

3.  

4.  

Which of the following can be used as the halide component for Friedel-Crafts reaction?

1.  Chlorobenzene

2.  Bromobenzene

3.  Chloroethene

4.  Isopropyl chloride

The oxidation of benzene by V₂O₅ in the presence of air produces

1. benzoic anhydride             2. maleic anhydride

3. benzoic acid                      4. benzaldehyde

$\left(\mathrm{A}\right)\stackrel{Na/N{H}_3\left(l\right)}{\to }\left(B\right)\stackrel{MCBPA}{\to }\left(C\right)$

Compound (C) in above sequence of reaction is:

1.    2. 

3.   4. 

 Product; Product is:

MCPBA $\to$Metachloroperbenzoic acid

1. 

2. 

3. 

4. 

$\underset{2. {\mathrm{NaHSO}}_3}{\overset{1. {\mathrm{OsO}}_4}{\to }}$ Product of the reaction is :

1.    

2. 

3.      

4. 

The end product 'W' in the follownign sequence of reactions is :

1.
2.
3.	$\mathrm{Ph}-{\mathrm{CH}}_2-\mathrm{O}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Ph}$
4.

In the following series of reactions the major products P and S are respectively.

$\stackrel{{\mathrm{Br}}_2/\mathrm{hv}}{\to }\left(P\right)\stackrel{tBu{O}^{⊝}}{\to }\left(Q\right)\underset{\underset{}{\left(ii\right)Th{O}_2,∆/\left(iii\right)alc.KOH}}{\overset{\left(i\right)HOBr/H^{+}}{\to }}\left(R\right)\underset{\underset{}{\left(ii\right)Th{O}_2,∆/\left(iii\right)alc.KOH\mathit{,}\mathit{∆}}}{\overset{\left(i\right)HOBr/H^{+}}{\to }}\left(S\right)$

1. 

2. 

3. 

4.