When ammonium dichromate is heated,the gas formed is

In the hydrides of the nitrogen group,the $H-M-H$ bond angle gradually approaches $90^o$ as we move from $N$ to $Sb$. This indicates that gradually.....

Ammonia can be dried by

When orthophosphoric acid is heated to $600\,^oC$,it forms .................. .

On heating with concentrated $NaOH$ solution in an inert atmosphere of $CO_{2}$,white phosphorus gives a gas. Which of the following statements is incorrect about the gas?

Among $NH_3$,$PH_3$,$AsH_3$,and $SbH_3$,which one is a stronger reducing agent?