In Nitrogen family the H-M-H angle in the hydrides $M H_{3}$ gradually becomes closer to $90^{0}$ on going from N to Sb. This shows that gradually :

The basic strength of the hydrides increases

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Due to the increase in the size of central atom M and increase in its electronegativity

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The bond energies of M-H increase

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The bond pairs of electrons become closer to each other

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Solution

The correct option is D The bond pairs of electrons become closer to each other
Bond strength $\propto$ Bond angle
Basic strength decreases.
Electron negativity decreases.
Bond energies decrease.
Bond pair come closer to each other.

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Similar questions

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:

Q. Assertion (A): Thermal stability of the hydrides of VIA group elements decreases from

H_{2} O

H_{2} P o

.
Reason(R): Increase in M-H bond length and a decrease in bond energy.

Read the above assertion and reason and choose the correct option regarding it.

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. Which of the following hydrides has the smallest

H - X - H

bond angle?

Q. The nitrogen atoms in

N H_{3}, N H_{2}^{-}

and

N H_{4}^{+}

are all surrounded by eight electrons. When these species are arranged in increasing order of

H - N - H

bond angle, correct order is

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In Nitrogen family the H-M-H angle in the hydrides MH3 gradually becomes closer to 900 on going from N to Sb. This shows that gradually :

The correct option is D The bond pairs of electrons become closer to each otherBond strength ∝ Bond angleBasic strength decreases.Electron negativity decreases.Bond energies decrease.Bond pair come closer to each other.

In Nitrogen family the H-M-H angle in the hydrides $M H_{3}$ gradually becomes closer to $90^{0}$ on going from N to Sb. This shows that gradually :

The correct option is D The bond pairs of electrons become closer to each other
Bond strength $\propto$ Bond angle
Basic strength decreases.
Electron negativity decreases.
Bond energies decrease.
Bond pair come closer to each other.