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ChemistryInteger+4Question 25 of 60

JEE Advanced 2015 · Paper 2, Chemistry question 25

Three moles of BX2HX6\ce{B2H6} are completely reacted with methanol. The number of moles of boron containing product formed is

Answer and worked solution

Official answer: 6

Methanolysis of diborane.
BX2HX6+6 CHX3OH→2 B(OCHX3)X3+6 HX2.\ce{B2H6 + 6CH3OH -> 2B(OCH3)3 + 6H2}.

Moles. 3 mol of B₂H₆ give 6 mol of trimethyl borate.

Answer: 6

Topics:BoranesGroup 13
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