JEE MAIN - Chemistry (2023 - 10th April Evening Shift - No. 13)
The number of molecules from the following which contain only two lone pair of electrons is ________
$$\mathrm{H}_{2} \mathrm{O}, \mathrm{N}_{2}, \mathrm{CO}, \mathrm{XeF}_{4}, \mathrm{NH}_{3}, \mathrm{NO}, \mathrm{CO}_{2}, \mathrm{~F}_{2}$$
Answer
3
Explanation
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The number of molecules having only 2 lone pair of electrons $=3$
Which are $\mathrm{H}_2 \mathrm{O} , \mathrm{N}_2$ and $\mathrm{CO}$
Note:-
$\mathrm{XeF}_4$ have 2 lps on central atom, but we are asked about lone pair in molecule
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