Ncert Exercises & Solutions

Match the species given in Column I with the hybridisation given in Column II.

Column I	Column II
A. Boron in ${[B {(OH)}_{4}]}^{-}$	i. sp²
B. Aluminium in ${[Al {(H_{2} O)}_{6}]}^{3 +}$	ii. sp³
C. Carbon in Buckminsterfullerene	iii. sp³d²
D. Germanium in ${[{GeCl}_{6}]}^{2 -}$

Codes:

Options:	A	B	C	D
1.	ii	iii	i	iii
2.	i	i	iii	ii
3.	iii	ii	ii	i
4.	i	iii	ii	iii

Hint: The hybridization of boron in [ B(OH)₄ ]^-

A. The hybridization of Boron in

{[B {(OH)}_{4}]}^{-}

is sp³ hybridised.

B. The hybridization of aluminium in

{[Al {(H_{2} O)}_{6}]}^{3 +}

is sp³d² hybridised.

C. The hybridization of carbon in Buckminster fullerene is sp² hybridised.The fourth electron remains free and responsible for its conductivity . NanoInfo : Smart Materials

D. The hybridization of germanium in

{[{GeCl}_{6}]}^{2 -}

is sp³d² hybridised.

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