The increasing order of reduction of alkyl halides with zinc and dil. $HCl$ is:

Identify the products $A$ and $B$ in the reactions :
$R-X + AgCN \longrightarrow A + AgX$
$R-X + KCN \longrightarrow B + KX$

The order of reactivity $3^{\circ} \text{ halide} > 2^{\circ} \text{ halide} > 1^{\circ} \text{ halide} > CH_3X$ represents which of the following reactions?

Which of the following statements is correct for optically active alkyl halides,upon reaction with nucleophiles?

	$S_{N}1$	$S_{N}2$
$(a)$	Retention of configuration	Inversion of configuration
$(b)$	Racemisation	Inversion of configuration
$(c)$	Inversion of configuration	Retention of configuration
$(d)$	Racemisation	Retention of configuration

For the following reactions,which of the following statements is correct?
$A. \, CH_3CH_2CH_2Br + KOH \rightarrow CH_3CH=CH_2 + KBr + H_2O$
$B. \, (CH_3)_2CHBr + KOH \rightarrow (CH_3)_2CHOH + KBr$
$C. \, C_6H_{10} + Br_2 \rightarrow C_6H_{10}Br_2$

The major product formed when $1$-Bromo-$3$-chlorocyclobutane reacts with metallic sodium in dry ether is