JEE Main 31-Aug-2021 Shift 2 Solved Paper

Section: Chemistry

Question : 43 of 90

Marks: +1, -0

Which one of the following statements is incorrect?

[31 Aug 2021 Shift 2]

Atomic hydrogen is produced when H2 molecules at a high temperature are irradiated with UV radiation.
At around 2000K, the dissociation of dihydrogen into its atoms is nearly 8.1%.
Bond dissociation enthalpy of H2 is highest among diatomic gaseous molecules which contain a single bon
Dihydrogen is produced on reacting zinc with HCl as well as NaOH(aq).

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