Chemistry · d and f Block Elements

JEE Main 2024 — 29 January, Shift 2 — Question 69

Which of the following statements are correct about Zn,Cd\mathrm{Zn}, \mathrm{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\mathrm{Zn}, \mathrm{Cd} and Hg are paramagnetic in nature.

D. Zn,Cd\mathrm{Zn}, \mathrm{Cd} and Hg are called soft metals.

Choose the most appropriate from the options given below:

  1. Option A:

    B, D only

    Correct
  2. Option B:

    B, C only

  3. Option C:

    A, D only

  4. Option D:

    C, D only

Answer: A

Step-by-step solution

(A) Zn,Cd,Hg\mathrm{Zn}, \mathrm{Cd}, \mathrm{Hg} exhibit lowest enthalpy of atomization in respective transition series.

(C) Compounds of Zn,Cd\mathrm{Zn}, \mathrm{Cd} and Hg are diamagnetic in nature.

Answer key and solution verified before publishing.

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Exam
JEE Main 2024
Subject
Chemistry
Chapter
d and f Block Elements
Topic
Properties of general compounds of transition elements
Which of the following statements are correct about Zn , Cd and Hg ?… | JEE Main 2024 PYQ with Solution · DhiX AI