Short Answer Type
Long Answer TypeGive the points of resemblance and points of difference between valence bond theory and molecular orbtial theory.
Short Answer TypeWater is a liquid while hydrogen sulphide is a gas. Explain.
Water exists as a liquid at room temperature with a high boiling point. Sulphur is less electronegative than oxygen, and the S-H bond is much less polar than the O-H bond. Hence, there is no hydrogen bonding in hydrogen sulphide, and it exists as a gas normally with discrete H2S molecules.
Nitrogen and chlorine have the same electronegativity but only former shows intermolecular hydrogen bonding. Discuss.
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