Assertion (A) : Zr and Hf have almost identical radii. Reason (R) : Both Zr and Hf exhibit similar properties.

Question

Assertion-ReasonLanthanide Contraction and Its ConsequencesCBSE PYQ

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Account for the following :

What is Lanthanoid contraction ? What is the cause of Lanthanoid contraction ? Write two consequences of Lanthanoid contraction.

TextLanthanide Contraction and Its Consequences

Write any two consequences of Lanthanoid Contraction.

Name the element of 3d series which exhibits the largest number of oxidation states. Give reason.

Give reasons for the following statements :

What is Lanthanoid contraction ? Write its two consequences.