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JEE Main levelOne or more correct optionsDifficulty 2 of 3cb027

Which of the following molecules or ions are planar (all atoms in one plane)?

A\ce{BF3}
B\ce{NH3}
C\ce{ClF3}
D\ce{XeF4}

Answer: A, C, D

BF X_{3}

is trigonal planar,

ClF X_{3}

is T-shaped (planar) and

XeF X_{4}

is square planar.

NH X_{3}

is pyramidal, so it is not planar.

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