Which one of the following methyl diboranes d | vedclass

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Question

(D) Diborane $(B_2H_6)$ can undergo substitution reactions with methyl groups to form various methyl diboranes.The known methyl diboranes are: monomet

Vedclass · Accepted Answer

$B_2H(CH_3)_5$

Vedclass · Answer

(D) Diborane $(B_2H_6)$ can undergo substitution reactions with methyl groups to form various methyl diboranes.The known methyl diboranes are: monomethyl diborane $(B_2H_5(CH_3))$,dimethyl diborane $(B_2H_4(CH_3)_2)$,trimethyl diborane $(B_2H_3(CH_3)_3)$,and tetramethyl diborane $(B_2H_2(CH_3)_4)$.The compound $B_2H(CH_3)_5$ (pentamethyl diborane) does not exist because it would require the substitution of a bridging hydrogen atom,which is not possible under standard conditions.Therefore,option $D$ is the correct answer.

List $I$	List $II$
$A.$ Cobalt catalyst	$I.$ $(H_2 + Cl_2)$ production
$B.$ Syngas	$II.$ Water gas production
$C.$ Nickel catalyst	$III.$ Coal gasification
$D.$ Brine solution	$IV.$ Methanol production

Which one of the following methyl diboranes does not exist?

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Match List $I$ with List $II$
List $I$ List $II$
$A.$ Cobalt catalyst $I.$ $(H_2 + Cl_2)$ production
$B.$ Syngas $II.$ Water gas production
$C.$ Nickel catalyst $III.$ Coal gasification
$D.$ Brine solution $IV.$ Methanol production

Choose the correct answer from the options given below:

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