For the hydrides of nitrogen family going down the group :

stability decreases.

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reducing activity increases.

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bond angle HMH decreases.

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All the above variations followed.

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Solution

The correct option is C All the above variations followed.
As we move down the group, electronegativity decreases so electron donation become easy and their reducing nature increases.
Also as electronegativity decreases so bond electron shift towards H and bond angle decreases.

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Similar questions

Q. Assertion :Acidic character of group 16 hydrides increases from

H_{2} O

H_{2} T e

. Reason: Thermal stability of hydrides decreases down the group.

Why does bond angle in hydrides decrease on going down the group?

Q. Assertion (A): Stability of

N H_{3}

is greater than

P H_{3}

Reason (R): M - H bond energy increases down the group in the hydrides of pnicogens.

Q. The properties of hydrides of oxygen family members that decrease down the group are :

In the Nitrogen family the H - M - H bond angle in the hydrides $M H_{3}$ gradually becomes closer to $90^{\circ}$ on going from N to Sb. This shows that gradually:

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For the hydrides of nitrogen family going down the group :

The correct option is C All the above variations followed.As we move down the group, electronegativity decreases so electron donation become easy and their reducing nature increases.Also as electronegativity decreases so bond electron shift towards H and bond angle decreases.

The correct option is C All the above variations followed.
As we move down the group, electronegativity decreases so electron donation become easy and their reducing nature increases.
Also as electronegativity decreases so bond electron shift towards H and bond angle decreases.