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A compound (A) of boron reacts with NMe_3 to give an adduct (B) which on hydrolysis gives a compound (C) and hydrogen gas. Compound (C) is an acid. Identify the compounds A, B and C. Give the reactions involved. |
Answer» <html><body><p></p>Solution :Compound (A) of boron reacts with `NMe_3` and gives an adduct (<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>) <a href="https://interviewquestions.tuteehub.com/tag/thus-2307358" style="font-weight:bold;" target="_blank" title="Click to know more about THUS">THUS</a> compound (A) is Lewis acid. <a href="https://interviewquestions.tuteehub.com/tag/since-644476" style="font-weight:bold;" target="_blank" title="Click to know more about SINCE">SINCE</a> (B) on hydrolysis gives an acid (C) and `H_2` gas, <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> (A) is `B_2H_6`, [B] is an adduct `2BH_3 NMe_3` and (C) is boric acid. <br/> Reactions are as follows : <br/>`underset"Diborane (A)"(B_2H_6) + underset"Adduct (B)"(2NMe_3)to underset("Adduct (B)")(2BH_3 NMe_3)` <br/> `underset"(B)"(BH_3NMe_3) + 3H_2O to underset"Boric acid (C)"(H_3BO_3) + NMe_3 + 6H_2`</body></html> | |