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KEAM 2022 Physics and Chemistry Solved Paper

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Question : 80

Total: 120

Which one of the following reactions involves change from sp2 to sp3 hybridisation of the central atom?

CH4+2Cl2→CH2Cl2+2‌HCl
NH3+H+→NH4+
AlCl3+Cl−→AlCl4−
H2O+H+→H3O+
PCl3+Cl2→PCl5

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