Triatomic hydrogen is called

$NaH$ is an example of:

$BeCl_2 + LiAlH_4 \to X + LiCl + AlCl_3$
Total number of $3c-4e^\Theta$ bonds present in the monomer form of compound $(X)$ is:

What happens when concentrated $H_2SO_4$ reacts with sugar?

$N_2H_4$ and $H_2O_2$ show similarity in

Which one of the following statements is incorrect $?$