In nitrogen family, the $$H - M - H$$ bond angle in the hydrides gradually becomes closer to $${90^ \circ }$$ on going from $$N$$ to $$Sb.$$ This shows that gradually
A.
the basic strength of the hydrides increases.
B.
almost pure $$p$$ - orbitals are used for $$M-H$$ bonding.
C.
the bond energies of $$M-H$$ bonds increases.
D.
the bond pairs of electrons become nearer to the central atom.
Answer :
almost pure $$p$$ - orbitals are used for $$M-H$$ bonding.
Solution :
With the decrease in the electronegativity of central atom the bond angle decreases
Releted MCQ Question on Inorganic Chemistry >> P - Block Elements
Releted Question 1
The reddish brown coloured gas formed when nitric oxide is oxidised by air is