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

1 Hard

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Understanding +4 | -1

The structure of diborane

\left(B_2 H_6\right)

contains '

x

' number of

2 {c}-2 {e}

bonds and '

{y}

' number of

3 c-2 e^{-}

bonds and then calculate the value of

x^2-y^3

View answer and explanation

Correct option: A

Option A (8) is correct because diborane has 4

2c-2e

bonds and 2

3c-2e

bonds, so

x=4

and

y=2

, and

x^2 - y^3 = 4^2 - 2^3 = 16 - 8 = 8

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