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Bonding — JEE Chemistry MCQs

Master Bonding for JEE Main with free chemistry MCQs. Each question includes a detailed solution and instant feedback — practice at easy, medium, and hard difficulty levels to build exam-ready confidence.

2 practice questions with instant feedback and solutions.

Hard•Bonding

LIST-I contains metal species and LIST-II contains their properties. LIST-I (I)

\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]^{4-}

(II)

\left[\mathrm{RuCl}_{6}\right]^{2-}

(III)

\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}

(IV)

\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}

LIST-II (P)

t_{2 \mathrm{~g}}

orbitals contain 4 electrons (Q)

\mu

(spin-only

=4.9 \mathrm{BM}

(R) low spin complex ion (S) metal ion in

4+

oxidation state (T)

d^{4}

species [Given: Atomic number of

\mathrm{Cr}=24, \mathrm{Ru}=44, \mathrm{Fe}=26

] Match each metal species in LIST-I with their properties in LIST-II, and choose the correct option

Medium•Bonding

Correct match of the

\mathbf{C}-\mathbf{H}

bonds (shown in bold) in Column J with their BDE in Column K is

Column J (Molecule)	Column K (BDE in kcal/mol)
(P) $\mathbf{H}-\mathrm{CH}(\mathrm{CH}_3)_2$	(i) 132
(Q) $\mathbf{H}-\mathrm{CH}_2\mathrm{Ph}$	(ii) 110
(R) $\mathbf{H}-\mathrm{CH}=\mathrm{CH}_2$	(iii) 95
(S) $\mathrm{H}-\mathrm{C} \equiv \mathrm{CH}$	(iv) 88