P-Block Elements Ques 569
Question: 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
Options:
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.
Show Answer
Answer:
Correct Answer: B
Solution:
With the decrease in the electronegativity of central atom the bond angle decreases
