Phosphine gas is

Phosphine is:

How will you preapre a sample of very pure phosphine gas ?

The vapour of phosphine gas at 27^(@)C and 3 bar pressure has density:

Statement -1 : Na_(2)HPO_(3) is not an acid salt. Statement -2 : Na_(2)HPO_(3) on heating decomposes to give phosphine gas and a mixture of phosphates.

Statement -1 : Na_(2)HPO_(3) is not an acid salt. Statement -2 : Na_(2)HPO_(3) on heating decomposes to give phosphine gas and a mixture of phosphates.