Consider three compounds : H2S, H2Se and H2O. Identify which has the highest boiling point. Justify.
Consider three compounds :
H2S, H2Se and H2O. Identify which has the highest boiling point. Justify.
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Among the three compounds H2O, H2S and H2Se, the first one, H2O has the smallest molecular mass. But it has the highest B.P. of 100°C. B.P. of H2S is -60°C and of H2Se is -41.25°C. The extraordinary high B.P. of H2O is due to very strong hydrogen bonding even though it has the lowest molecular mass.
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