Assertion :dimenthyl ether and disilyl ether both readily form complexes with trimethyl borane.
Reason :.

Options

A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Answer

d

Explanation

`(CH_(3))_(2) ddoto + B(CH_(3))_(3) rarr (CH_(3))_(2) ddoto rarr B(CH_(3))_(3)`.
In`H_(2)Si - O - H_(2)Si` due to `d pi ` -`dpi` delocallisation, availability of line pairs on `O` - atom is decreased and thus disltyl ether doe s not the react with `B(CH_(3))_(3)`.