JEE Main 2022 · 29 Jun · Shift 1 · Chemistry Q63

ChemistrySingle correct+4 / -1Question 63 of 90

Arrange the following in the decreasing order of their covalent character :

(A) LiCl

(B) NaCl

(D) CsCl

Choose the most appropriate answer from the options given below :

(A) > (C) > (B) > (D)

(B) > (A) > (C) > (D)

(A) > (B) > (C) > (D)

(A) > (B) > (D) > (C)

Answer and worked solution

Official answer: C

Fajans' rules. Smaller cations polarise more: LiCl > NaCl > KCl > CsCl.

(C)

Topics:Ionic bonding

JEE Main 2022 · 29 Jun · Shift 1, Chemistry question 63