Observe the following statements :

(1) $H_3BO_3$ is used as antiseptic

(2) In $B_2H_6$, each boron is $sp^2$ hybridized

(3) Aqueous solution of borax is alkaline in nature

The correct statements are :

$\begin {array} {1 1} (1)\;2 \: and \: 3 & \quad (2)\;1,2 \: and \: 3 \\ (3)\;1 \: and \: 3 & \quad (4)\;1 \: and \: 2 \end {array}$

(3) 1 and 3