DPP 6.2

Outline reasonable mechanisms for each of the following reactions.

 $+{\mathrm{BrMgCH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{MgBr}$ 

$\frac{1.\mathrm{THF}}{2.{\mathrm{H}}_2\mathrm{O}}$ 

Outline reasonable mechanisms for each of the following reactions.

Which of the following compound undergoes Claisen condensation in presence of ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}$ ?
(i) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{COOC}}_2{\mathrm{H}}_5$
(ii) ${\left({\mathrm{CH}}_3\right)}_2{\mathrm{CHCOOC}}_2{\mathrm{H}}_5$
(iii) ${\mathrm{ClCH}}_2{\mathrm{COOC}}_2{\mathrm{H}}_5$

Select the incorrect statement:

Which of the following undergoes nucleophilic addition elimination?

The correct option for products $\mathrm{P}, \mathrm{Q}$ and $\mathrm{R}, \mathrm{S}$ in the following sequence of reaction is/are:

Which is in correct against property mentioned?

Ethyl acetate can be prepared by: