ABC26IN0449 · Main Group Elements

Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Element – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

The Lewis acidity of $\mathrm{BF}_{3}$ is less than $\mathrm{CBl}_{3}$ even though fluorine is more electronegative than chlorine. It is due to
(a)stronger $2 \mathrm{p}(\mathrm{B})-2 \mathrm{p}(\mathrm{F}) \sigma-$ bonding
(b)stronger $2 \mathrm{p}(\mathrm{B})-2 \mathrm{p}(\mathrm{F}) \pi$-bonding
(c)stronger $2 \mathrm{p}(\mathrm{B})-2 \mathrm{p}(\mathrm{Cl}) \sigma$ - bonding
(d)stronger $2 \mathrm{p}(\mathrm{B})-2 \mathrm{p}(\mathrm{Cl}) \pi-$ bonding
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.

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