(1) The solubility of group V hydrides in water decreases from $ NH_3 \: to \: BiH_3$.
(2) Phosphorous does not exhibit allotropy
(3) The stability of group V hydrides decreases from $ NH_3 \: to \: BiH_3$.
The correct statement(s) is / are :
$\begin {array} {1 1} (1)\;1 \: and \: 3 & \quad (2)\;2 \\ (3)\;1\: and \: 2 & \quad (4)\;1,2\: and \: 3 \end {array}$
