Q. A colourless gas obtained by the electrolys is of NaCl in Nelsons cell is made to combine with an element X. The resulting compound has low melting pt. and boiling pt. It can also act as weak reducing agent. The element X forms oxides and hydroxides of the and . X does notreact with HCl. The resulting compound is

 1895  212 Hydrogen Report Error

Solution:

Chlorine from Nelson cell form with boron.