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The conversion of atomic hydrogen to dih...

The conversion of atomic hydrogen to dihydrogen is a ______________ change.

A

endothermic

B

exothermic

C

photochemical

D

nuclear

Text Solution

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The correct Answer is:
B
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SURA PUBLICATION-HYDROGEN-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. Hydrogen is used in

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  2. Which among the following statement/s given below is/ are incorrect re...

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  3. The conversion of atomic hydrogen to dihydrogen is a change.

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  4. CO((g))+H2O((g))overset(400C)underset(X)toCO(2(g))+H(2(g)) 'X' is

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  5. Hydrogen bomb is based on the principle of

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  6. Hydrogen can be obtained from water by reaction with

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  7. Hydrogen burns in air with a flame.

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  8. Which pair are not hydrogen isotopes?

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  9. Ortho and para hydrogen differ in

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  10. is considered as the potential alternative fuel of the future.

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  11. The ionisation energy of hydrogen is higher than alkali metals. Pick o...

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  12. Hydogen accepts an electron to attain the inert gas configuration. In ...

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  13. Hydrogen acts as a reducing agent and thus resembles

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  14. FeSO4 contains molecules of water of hydration.

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  15. Which among of the following reaction produces hydrogen ?

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  16. In which of the following compounds does hydrogen has an oxidation sta...

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  17. Assertion : Hydrogen is the simplest atom Reason : Its nucleus conta...

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  18. Assertion : H^+ ion has a very low polarising power. Reason : Size o...

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  19. Assertion : Hydrogen resembles halogens. Reason : It has high ionisa...

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  20. Which properties of hydrogen are responsible for moderation of the cli...

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