Single Choice

In which of the following species, the inter-atomic bond angle is $$109^o28'$$?

A$$NH^{+}_{4}, (BF_{4})^{-}$$
Correct Answer
B$$(NH_{4})^{+}, BF_{3}$$
C$$NH_{3}, BF_{4}$$
D$$(NH_{2})^{-}, BF_{3}$$

Solution

Both are $$sp^3$$ hybridized with the central atom having 4 bond pairs.

Only $$sp^3$$ hybrid orbitals have a bond angle of $$109^o28'$$.

Option A is correct.

SIMILAR QUESTIONS

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Molecule obtained by $$sp^{3}d^{2}$$ hybridisation has bond angle of:

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Decreasing order of bond angle is:

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The bond angles of $$NH_{3}, NH_{4}^{+}$$ and $${NH_{2}}^{-}$$ are in the order:

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Arrange the following in order of decreasing bond angles, giving reasons (i) $$CH_{4}, NH_{3}, H_{2}O, BF_{3}, C_{2}H_{2}$$ (ii) $$NH_{3}, NH_{2}^{-}, NH_{4}^{+}$$.

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In which of the following is the angle between the two covalent bonds greatest ?

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Among the following orbital bonds, the angle is minimum between :

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