Class 12

21. d & f block elements question bank (Chemistry)

Practice 100 free Class 12 Chemistry - 21. d & f block elements questions with answers and step-by-step solutions.

Start free Book a demo

All Easy Hard Medium

Q1.

Magnetic moment 2.84 B.M. is given by:
(At. no.), Ni = 28, Ti = 22, Cr = 24, Co = 27

(A)

Ti³âº

(B)

Cr²âº

(C)

Co²âº

(D)

Ni²âº

Show answer & solution

Verified Answer & Solution Locked

Q2.

Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Number in the parenthesis are atomic numbers).

(A)

Zr (40) and Nb (41)

(B)

Zr (40) and Hf (72)

(C)

Zr (40) and Ta (73)

(D)

Ti (22) and Zr (40)

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 26 Questions in 21. d & f block elements

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 26 questions

Unlock every 21. d & f block elements question, generate papers, and practice at your own pace.

Start free