NEETChemistryChemical Bonding and Molecular StructureMCQ+4 / −1
The correct order of bond angles in the following compounds/species is :
- ACO2 < NH3 < H2O <
- BH2O < NH3 < < CO2
- CH2O < < NH3 < CO2
- DH2O < = NH3 < CO2
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Correct answer: B
CO2 $\Rightarrow$ sp2 hybridisation, bond angle = 180$^\circ$
NH$_4^ + $ $\Rightarrow$ sp3 hybridisation, bond angle = 109$^\circ$ 28'
NH3 $\Rightarrow$ sp3 hybridisation with one lone pair on central atom, bond angle $ \simeq $ 107$^\circ$
H2O $\Rightarrow$ sp3 hybridisation with two lone pairs on central atom, bond angle $\simeq$ 104.5$^\circ$
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