The major product of the following reaction is

$\stackrel{\mathrm{HBr}}{\to }$

1.  

2.  

3.  

4.  

The major product of the reaction between CH₃CH₂ONa  and (CH₃)₃CCl  in ethanol is:

1. CH₃CH₂OC(CH₃)₃

2. CH₂=C(CH₃)₂

3. CH₃CH₂C(CH₃)₃

4. CH₃CH=CHCH₃ 

${\mathrm{Given\; the\; reaction:}}_{}$

Compound 'A' is

1. $C{H}_3$
$l$
$C{H}_3-C=CH-C{H}_3$

2. $C{H}_3$
$l$
$C{H}_3-CH-CH=C{H}_2$

3. $C{H}_3$
$l$
$C{H}_2=C-C{H}_2-C{H}_3$

4. No reaction

Propene, CH₃-CH=CH₂ can be converted into 1-propanol by oxidation. Indicate which set of reagents amongst the following is ideal to effect the above conversion?                                       

1. KMnO₄(alkaline)

2. Osmium tetroxide (OsO₄/CH₂Cl₂)

3. B₂H₆ and alk H₂O₂

4. O₃/Zn

Which of the following compounds would react faster with NaCN in an S_N² reaction?

1. 

2. 

3. 

4. 

Phenylmagnesium bromide reacts with methanol to give

1. A mixture of toluene and Mg(OH)Br

2. A mixture of phenol and Mg(Me)Br

3. A mixture of anisole and Mg(OH)Br

4. A mixture of benzene and Mg(OMe)Br

Ethyl chloride is converted into diethyl ether by -

$\underset{\left(Predominant\right)}{\left(\mathrm{B}\right)}\stackrel{PB{r}_{\mathit{3}}}{\leftarrow }$$\stackrel{\mathrm{HBr}}{\to }\underset{\left(Predominant\right)}{\left(A\right)}$

(A) and (B) are respectively :

$\stackrel{\mathrm{Lucas} \mathrm{Reagent}}{\to }A\left(\mathrm{Major}\right)$

The compound ‘A’ is

$\underset{\mathrm{heat}}{\overset{{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }}\underset{major}{P}\stackrel{NBS}{\to }\underset{major}{Q}$

The structure of Q is?