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What is the valency of H in HCl, H2 and H2O?

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The valency of H in HCl ,H2 and H2O are respectively +1 , +1,+2 . 1.) HCl. As we know Cl is in 17th group of periodic table. So it require one electron to complete its valence shell.Addition to that its electronegativity is higher than Hydrogen. So, Cl gains an electron from H. Hence, Valency of H in HCl is +1. read more

The valency of H in HCl ,H2 and H2O are respectively +1 , +1,+2 . 1.) HCl As we know Cl is in 17th group of periodic table. So it require one electron to complete its valence shell.Addition to that its electronegativity is higher than Hydrogen. read more

Water ([math]H_2O[/math]) is a compound, and compounds do not have valency. The latter is a property of elements which constitute a compound. read more

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