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in Chemical Bonding and Molecular Structure by (81.4k points)
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The BClis a planar molecule whereas NCl3 is pyramidal, because

(a) B-Cl bond is more polar than N-Cl bond

(b) N-Cl bond is more covalent than B-Cl bond

(c) nitrogen atom is smaller than boron atoms

(d) BCl3 has no lone pair but NCl3 has a lone pair of electrons.

1 Answer

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Best answer

Correct option  (d) BCl3 has no lone pair but NCl3 has a lone pair of electrons.

Explanation:

No lone pair of electrons is available in BCl3.

One lone pair of electrons is available on N-atom.Therefore, NCl3 is pyramidal in shape.

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