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Question: Answered & Verified by Expert
Compound (X) on reduction with LiAlH4 gives a hydride (Y) containing 21.72% hydrogen along with other products. The compound (Y) reacts with air explosively resulting in boron trioxide. Compounds x and Y are respectively
Chemistryp Block Elements (Group 13 & 14)JEE Main
Options:
  • A BCl3,B2H6
  • B B2H6,BCl3
  • C BF3,Al2O6
  • D B2H6,BF3
Solution:
2418 Upvotes Verified Answer
The correct answer is: BCl3,B2H6
4BCl3X+3LiAlH42B2H6Y+3AlCl3+3LiCl

Percentage of hydrogen in B2H6=627.62×100=21.72

B2H6+3O2ExplosionB2O3+3H2O

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