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Assertion (A) The highest oxidation stat...

Assertion (A) The highest oxidation state of osmium is +8.
Reason (R ) Osmium is a 5d-block element.

A

Both assertion and reason are true, and reason is the correct explanation of the assertion.

B

Both assertion and reason are true but reason is not the correct explanation of the assertion.

C

Assertion is not true but reason is true.

D

Both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Correct explanation. The configuration of Os is `5d^(6)6s^(2)`.
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