1.

Assertion. On cooling, the brown colour of nitrogen dioxide disappears. Reason. ON cooling, NO_(2) undergoes dimerisation resulting in the pairing of odd electron of NO_(2).

Answer»

If both assertion and reason are true, and reason is the correct explanation of the assertion.
If both assertion and reason are ture, but reason is not the correct explanantion of the assertion.
If assertion is true, but reason is false.
If both assertion and reason are false

Solution :Correct reason. The lone pair of electrons on the N ATOM is strongly attracted by the three strongly electronegative F atoms. As a result, it is not available for DONATION and hence `NF_(3)` is a weak LIGAND.


Discussion

No Comment Found

Related InterviewSolutions