Assertion (A) : Zn, Cd and Hg are not regarded as transition elements. Reason (R) : Zn, Cd and Hg do not have partially filled d-orbitals in their ground state or in any one of their common oxidation states.

Question

Assertion-ReasonGeneral Characteristics of Transition MetalsCBSE PYQ

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Account for the following :

Answer the following questions on the basis of the figure given below :

CASE_STUDIESGeneral Characteristics of Transition MetalsMetallic Character of Transition Metals

Give reasons for the following statements :

The electronic configuration of Ce is : 58Ce = [Xe]54 4f1 5d1 6s2 Calculate the spin only magnetic moment of Ce3+ ion.

Why is copper regarded as a transition element although copper atom has completely filled d-orbitals in its ground state ?

Why is Sc3+ colourless in aqueous solution whereas Ti3+ is coloured ?