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At high electric discharge hydrogen and oxygen combine to form _____________

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in Chemistry – Class 11 by (148k points)
At high electric discharge hydrogen and oxygen combine to form _____________

(a) acid

(b) water

(c) hydrogen peroxide

(d) salt

The question was asked in an interview.

This intriguing question comes from Properties of Dihydrogen topic in portion Hydrogen of Chemistry – Class 11

1 Answer

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Correct option is (c) hydrogen peroxide

The explanation: At 970 Kelvin, an electric discharge 2 moles of hydrogen molecule combines with one mole of Oxygen in order to form 2 moles of water. This has an enthalpy change of about 285.9 KJ/mol, the enthalpy change is negative for the above process.

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