JEE CHEMISTRY MCQ: 13 TH GROUP ELEMENTS (P-BLOCK)

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Understanding +4 | -1

Assertion (A) :

\mathrm{B}(\mathrm{OH})_3

is a good lubricant and slippery.

Reason (R) :

\mathrm{B}(\mathrm{OH})_3

has a layer structure.

View answer and explanation

Correct option: A

Both

\mathbf{A}

and

\mathbf{R}

are true and

\mathbf{R}

is the correct explanation of

\mathbf{A}

Option A (Both

\mathbf{A}

and

\mathbf{R}

are true and

\mathbf{R}

is the correct explanation of

\mathbf{A}

.) is correct because boric acid,

B(OH)_3

, has a layered structure which allows it to act as a lubricant.

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