Question

In nitrogen family, the H-M-H bond angle in the hydrides gradually becomes closer to 90${}^{\circ }$ on goingfrom 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 increase
• D. The bond pairs of electrons become nearer tothe central atom

Answer 1

Answer: (B)

In nitrogen family the H-M-H bond angle in hydrides gradually becomes closer to 90${}^{\circ }$ on going from N to Sb because almost pure p-orbitals are used for M-H bonding