WB JEE 2026 | Chemical Bonding Question 2 | Chemistry

WB JEE 2026

MCQ (Single Correct Answer)

-0.25

Peroxide ion is

Paramagnetic

Ferromagnetic

Diamagnetic

Antiferromagnetic

WB JEE 2026

MCQ (Single Correct Answer)

-0.25

In which of the following species, $\mathrm{sp}^3 \mathrm{~d}^2$ hybridisation is not associated?

$\mathrm{XeF}_6$

$\mathrm{BrF}_6^{+}$

$\mathrm{IF}_5$

$\mathrm{XeF}_4$

WB JEE 2025

MCQ (Single Correct Answer)

-0.25

Which of the following hydrogen bonds is likely to be the weakest?

$\mathrm{C}-\mathrm{H} \cdots \mathrm{O}$

$\mathrm{N}-\mathrm{H} \cdots \mathrm{O}$

$\mathrm{O}-\mathrm{H} \cdots \mathrm{O}$

$\mathrm{O}-\mathrm{H} \cdots \mathrm{F}$

WB JEE 2025

MCQ (Single Correct Answer)

-0.25

Which of the following oxides is paramagnetic?

$\mathrm{SO}_2$

$\mathrm{NO}_2$

$\mathrm{SiO}_2$

$\mathrm{CO}_{\mathbf{2}}$

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