Hydrogen generally forms covalent compounds. Give a reason.
Hydrogen generally forms covalent compounds. Give a reason.
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
Because of ionization enthalpy, hydrogen resembles more with halogens, is 520 kJ mol-1, F is 1680 kJ mol-1and that of His 1312 kJ mol-1. Like halogens, it forms a diatomic molecule, combining with elements to form hydrides and a large number of covalent compounds.
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H2S has minimum boiling point.
PbS + 4H2O2->PbSO4 + 4H2O.
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HF molecules are associated with strong intermolecular hydrogen bonding hence its boiling point is the highest
Compound Melting Point (K)
HF 190
HCl 159
HBr 185
HI
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