SELECT * FROM question_mgmt as q WHERE id=2061 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=62 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th chemistry The p-Block Elements why does r3p o exist but r3n o does not r alkyl

Question:

Why does R3P=O exist but R3N=O does not (R = alkyl group)?

Answer:

N(unlike P) lacks the d-orbital. This restricts nitrogen to expand its coordination number beyond four. Hence, R3N=O does not exist.


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