Question

2. The bond angle in a group.
a. Decreases
b. Increases
c. Remains as it is
d. Can't be calculated​

Answer 1

Answer:

Bond angle decreases → The hydrides of these elements are pyramidal in shape with a lone pair of electrons in one of the orbitals. On moving down the group the bond angles gradually decrease due to a decrease in bond pair-bond pair repulsion.

Answer 2

Answer:

The correct answer is 'A' decreases.

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