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Question: Answered & Verified by Expert
A group 13 element  'X' reacts with chlorine gas to produce a compound XCl3. XCl3 is electron deficient and easily reacts with NH3 to form Cl3XNH3 adduct; however, XCl3 does not dimerize. X is:
Chemistryp Block Elements (Group 13 & 14)JEE Main
Options:
  • A B
  • B Al
  • C In
  • D Ga
Solution:
2414 Upvotes Verified Answer
The correct answer is: B

BCl3


 

Boron react with chlorine gas to produce compound BCl3 which is electron deficient. It does not dimerize because of small boron atom. It react with ammonia to form aduct. In it ammonia act as lewis base and BCl3 act as lewis acid.

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