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H2O NH3 CH4 CO2 m bond angle kiska zyada kyun

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Answer by Somsubhra Goswami

co2 sp hybridization, no lone pair ,180° ch4sp3 hybridization, no lone pair, 109.5° Nh3 sp3 hybridization, 1 lone pair, 107° H20 sp3 hybridization, 2 lone pair, 104.5° co2>ch4>Nh3>H20