Question

oxid
Why does the
oxide
dising
Power
increase down
the croup! 16 ?​

Answer 1

Answer:

Hi mate here is your answer.

Explanation:

Group 16 elements have ns

2

np

4

electronic configuration.

Hence they would be expected to have a maximum oxidation state of +6 but the heavy elements show a lower oxidation state, i.e., +4.

This is due to inert pair effect due to which s-electrons remain paired and do not participate in bond formation.

This happens because the s-orbitals held close to the nucleus, therefore the electrons present in s-orbitals held strongly by nucleus because of large electrostatic force.

Since the energy required to unpair these s-electrons is high, hence the electrons remain paired.

Hence, the stability of +6 oxidation state decreases and that of +4 oxidation state increases down the group.

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