JEE Main 2022 · 28 Jul · Shift 2 · Chemistry Q40

← JEE Main 2022 · 28 Jul · Shift 2

ChemistryList match+4 / -1Question 40 of 90

Match List I with List II

Choose the correct answer from the options given below :

List I (Complex)

A
$\mathrm{Ni(CO)_4}$
B
$\mathrm{[Ni(CN)_4]^{2-}}$
C
$\mathrm{[Co(CN)_6]^{3-}}$
D
$\mathrm{[CoF_6]^{3-}}$

List II (Hybridization)

I
$sp^3$
II
$sp^3d^2$
III
$d^2sp^3$
IV
$dsp^2$

A-IV, B-I, C-III, D-II

A-I, B-IV, C-III, D-II

A-I, B-IV, C-II, D-III

A-IV, B-I, C-II, D-III

Answer and worked solution

Official answer: B

Hybridisation. $\mathrm{Ni(CO)_4}$ $sp^3$ ; $\mathrm{[Ni(CN)_4]^{2-}}$ $dsp^2$ ; $\mathrm{[Co(CN)_6]^{3-}}$ $d^2sp^3$ ; $\mathrm{[CoF_6]^{3-}}$ $sp^3d^2$ .

A-I, B-IV, C-III, D-II. (B)

Topics:Valence bond theory

← Previous question Next question →

JEE Main 2022 · 28 Jul · Shift 2, Chemistry question 40