Possible products obtained on electrolysis of an aqueous solution of potassium acetate are:

(a) ${\mathrm{CH}}_3{\mathrm{CH}}_3$.

(b) ${\mathrm{CH}}_3{\mathrm{COOCH}}_3$.

(c) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$.

(d) ${\mathrm{CH}}_2={\mathrm{CH}}_2$.

Which of the following alkanes cannot be prepared by Wurtz reaction in good yield?

During Kolbe's electrolysis of sodium propionate, which of the following products are not formed? 

(a) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{COOCH}}_2{\mathrm{CH}}_3$   (b) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_3$

(c) ${\mathrm{CH}}_2={\mathrm{CH}}_2$                         (d) ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CH}}_2$

(e) ${\mathrm{CH}}_3{\mathrm{CH}}_3$                              (f) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$

The compounds that will give an isomer of $2, 2-$dimethylbutane on catalytic hydrogenation are:

(a) ${\mathrm{CH}}_3\mathrm{CH}=\mathrm{C}{\left({\mathrm{CH}}_3\right)}_2$     (b) ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CHCH}}_3$

(c) ${\mathrm{CH}}_3\mathrm{CH}={\mathrm{CHCH}}_2{\mathrm{CH}}_3$  (d) ${\left({\mathrm{CH}}_3\right)}_2\mathrm{C}=\mathrm{C}{\left({\mathrm{CH}}_3\right)}_2$