PCl is well known, but NCl is not. Because, 5 5 (A) Nitrogen is less reactive than phosphorous. (B) Nitrogen doesn't have d-orbitals in its valence shell. (C) Catenation tendency is weaker in nitrogen

Question

PCl is well known, but NCl is not. Because, 5 5

(A) Nitrogen is less reactive than phosphorous.
(B) Nitrogen doesn't have d-orbitals in its valence shell.
(C) Catenation tendency is weaker in nitrogen than phosphorous.
(D) Size of phosphorous is larger than nitrogen.

Prashant Kotian · Accepted Answer

Correct answer: B) NITROGEN DOESN'T HAVE D-ORBITALS IN ITS VALENCE SHELL.. Nitrogen do not have vacant d-orbitals so it does not expand it’s octet, while phosphorous have vacant 3d orbitals so it can expand it's octet and can form pentahalides.

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