JEE Main 2022 · 25 Jun · Shift 2 · Chemistry Q83

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ChemistryInteger+4 / -1Question 83 of 90

Amongst $\mathrm{BeF_2}$ , $\mathrm{BF_3}$ , $\mathrm{H_2O}$ , $\mathrm{NH_3}$ , $\mathrm{CCl_4}$ and HCl, the number of molecules with non-zero net dipole moment is ______.

Your answer

Answer and worked solution

Official answer: 3

Polar molecules. $\mathrm{H_2O}$ (bent), $\mathrm{NH_3}$ (pyramidal), HCl. $\mathrm{BeF_2}$ (linear), $\mathrm{BF_3}$ (trigonal planar) and $\mathrm{CCl_4}$ (tetrahedral) cancel.

Count 3.

Answer: 3

Topics:Bond parameters and dipole moment VSEPR theory

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JEE Main 2022 · 25 Jun · Shift 2, Chemistry question 83