Which of the following statements are correct about Zn, Cd and Hg? A. They exhibit high enthalpy of atomization as the d-subshell is full. B. Zn and Cd do not show variable oxidation state while Hg sh

Question

Which of the following statements are correct about Zn, Cd and Hg? A. They exhibit high enthalpy of atomization as the d-subshell is full. B. Zn and Cd do not show variable oxidation state while Hg shows +I and +II. C. Compounds of Zn, Cd and Hg are paramagnetic in nature. D. Zn, Cd and Hg are called soft metals. Choose the most appropriate from the options given below:

(A) B, D only
(B) B, C only
(C) A, D only
(D) C, D only

Prashant Kotian · Accepted Answer

Correct answer: A. Ans. (1) (A) Zn, Cd, Hg exhibit lowest enthalpy of atomization in respective transition series. (C) Compounds of Zn, Cd and Hg are diamagnetic in nature.

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