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Question: Answered & Verified by Expert
BCl3exists as monomer whereas AlCl3is dimerized through halogen bridging. Give reason. Explain the structure of the dimer of AlCl3also.
Chemistryp Block Elements (Group 13 & 14)NEET
Options:
  • A BCl3has a smaller size than AlCl3, leading to monomer formation. The dimer of AlCl3has a bridged structure.
  • B BCl3has a larger size than AlCl3, leading to monomer formation. The dimer of AlCl3has a bridged structure.
  • C BCl3has a smaller size than AlCl3, leading to monomer formation. The dimer of AlCl3has a linear structure.
  • D BCl3has a larger size than AlCl3, leading to monomer formation. The dimer of AlCl3has a linear structure.
Solution:
1574 Upvotes Verified Answer
The correct answer is: BCl3has a smaller size than AlCl3, leading to monomer formation. The dimer of AlCl3has a bridged structure.
Correct Option is : (A)
BCl3has a smaller size than AlCl3, leading to monomer formation. The dimer of AlCl3has a bridged structure.

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