. The lanthanides have almost negligible reactivity with nitric acid because

A. nitric acid has strong oxidizing power and lanthanides are reluctant towards oxidation

B. nitric acid forms protective coating of oxides on reaction with nitric acid

C. nitric acid decomposes before the reaction with lanthanides

D. nitric acid is highly volatile.

Best Answer

Ans: B

Sol: Due to protective coating of oxides on the free surface of metal, no further reaction takes place

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