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Deuterium has a melting point higher than that of hydrogen.

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in Chemistry – Class 11 by (148k points)
Deuterium has a melting point higher than that of hydrogen.

(a) true

(b) false

This question was addressed to me in homework.

This interesting question is from Dihydrogen & H2 in section Hydrogen of Chemistry – Class 11

1 Answer

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Right choice is (a) true

Easy explanation: The above statement is true because deuterium has a greater boiling point than that of hydrogen and tritium has a greater boiling point than that of deuterium. The boiling points of tritium, deuterium, and protium are 20.62, 18.73 and 13.96 in Kelvin respectively.

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