Question

Bond angle is minimum for
(1) Н,0
(2) H,S
(3) H,Se
Н.Те​

Answer 1

Answer:

4) is the right answer

Explanation:

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Answer 2

As the electronegativity of elements decreases down the group, the shared pair of electrons bonded to central atom will move away from it and will lie between the bonded atoms.

Therefore electrons in O−H bond are closer to O and will have high bond-pair bond-pair repulsion and this repulsion decreases as the electronegativity decreases resulting in the smaller bond angle down the group.

Thus H2Te will have a minimum bond angle.