The compound(s) with P–H bond(s) is(are)

For the reaction sequence given below, the correct statement(s) is(are):

For the reaction sequence given below, the correct statement(s) is(are)

The density (in $\mathrm{g} \mathrm{cm}^{-3}$ ) of the metal which forms a cubic close packed (ccp) lattice with an axial distance (edge length) equal to 400 pm is ___________.

Use: Atomic mass of metal $=105.6 \mathrm{amu}$ and Avogadro's constant $=6 \times 10^{23} \mathrm{~mol}^{-1}$