Verified Solution • 2025–26 Session moderate

QJEEM21Chf339: JEE Main 2021 Chemistry - Class 11 JEEM21Chf339 Solution: Which of the following compound CANNOT act as a Lewis base?

Which of the following compound CANNOT act as a Lewis base?

Multiple Choice Options

  • A SF4
  • B NF3
  • C ClF3
  • D PCl5

Step-by-Step Verified Solution

NF3 has no vacant orbital neither in nitrogen nor in fluorine so it cannot accept the electron & hence cannot acts as lewis acid and but for PCl5 P has no L.P & hence it cannot acts as base but ClF3 (3 B.P + 2 L.P) & SF4 (4 B.P + 1 L.P)

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