Liquid ammonia is used in refrigeration because of its

An alkali metal hydride $(NaH)$ reacts with diborane in '$A$' to give a tetrahedral compound '$B$' which is extensively used as a reducing agent in organic synthesis. The compounds '$A$' and '$B$' respectively are

The vapor pressure of $......$ is maximum.

During the electrolysis of fused calcium hydride $(CaH_2)$,where is hydrogen produced?

Lithium aluminium hydride reacts with silicon tetrachloride to form:

Which of the given compounds can enhance the efficiency of hydrogen storage tank?