JEE Main 2020Chemistryp Block Elements (Group 13 & 14)MediumMCQ

JEE Main 2020 — p Block Elements (Group 13 & 14) Question with Solution

JEE Main 2020 (09 Jan Shift 2)

Question

The reaction of H3N3B3Cl3A with LiBH4 in tetrahydrofuran gives inorganic benzene B . Further, the reaction of A with C leads to H3N3B3Me3 . Compounds B and C respectively, are:

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Show full solutionCorrect option: D
Correct answer
DBorazine and MeMgBr

Step-by-step explanation

The reaction of H3N3B3Cl3A with LiBH4 in tetrahydrofuran gives inorganic benzene B. The reaction is given below.  Further, the reaction of compound  A reacts with C leads to H3N3B3Me3 .

The reaction is given beow:

 B3N3H3CI3A+LiBH4⟶B3N3H6B+LiCI+BCI3
B3N3H3CI3A+3MeMgBrC⟶B3N3H3CH33+3MgBrCI

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About this question

This is a previous-year question from JEE Main 2020, covering the p Block Elements (Group 13 & 14) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.