Assertion : Ionisation of transition metals involves loss of ns electron before (n - 1)d electrons. Reason : Filling of ns-orbitals takes placed befor
Assertion : Ionisation of transition metals involves loss of ns electron before (n - 1)d electrons.
Reason : Filling of ns-orbitals takes placed before (n - 1)d orbitals.
A. If both assertion and reason are correct and reason is correct explanation for assertion.
B. If both assertion and reason are correct but reason is not correct not correct explanation for assertion.
C. If assertion is correct but reason is incorrect.
D. If both assertion and reason are incorrect.
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Correct Answer - B
(b) Correct explanation. ns electrons have less attraction towards the nucleus as compared to (n - 1) d electrons.
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