The species in which the central atom uses sp2-hybrid orbitals in its bonding is :
A
PH3
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B
NH3
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C
CH+3
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D
SbH3
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Solution
The correct option is CCH+3 In CH+3 the carbon atom is sp2 as it contains three bond pairs and zero lone pairs of electrons. In ammonia (NH3), N atom is sp3 (3 bond pairs and 1 lone pair) hybridized whereas in others, pure p orbitals are used.