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Which is true about different forms of h...

Which is true about different forms of hydrogen :

A

ortho hydrogen has same spins of two nuclei clockwise or anticlockwise

B

para hydrogen has different spins of two nuclei

C

at absolute zero, there is `100%` para form and at high temperature, there is `75%` ortho form

D

all are correct.

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The correct Answer is:
D
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ALLEN-HYDROGEN-EXERCISE-1
  1. Which is true about different forms of hydrogen :

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  2. Out of the following metals which will give H(2) on reaction with NaOH...

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  3. In Bosch's process, which gas is utilised for the production of hydrog...

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  4. The gas(es) used in the hydrogenation of oils in presence of nickel as...

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  5. Atoms in hydrogen have abundance of :

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  6. Weakest reducing agent:

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  7. Nuclear isomerism is exhibited by-

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  8. Which of the following statement is not true for .(1)H^(1),.(1)H^(2),....

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  9. Hydrogen has three isotopes, the number of possible diatomic molecules...

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  10. Dihydrogen has:

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  11. Hydrogen is :

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  12. In which property listed below hydrogen does not resemble alkali metal...

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  13. In which of the following reactions does dihydrogen act as oxidising a...

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  14. Which of the following is an nuclear isomer of hydrogen ?

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  15. The correct order of reactivity among I (atomic hydrogen), II (Dihyd...

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  16. Which combination cannot be used for the preparation of hydrogen gas i...

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  17. By which reaction. Best yield of H(2) gas forms : Temperature of ...

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  18. By which reaction best yield of H(2) gas forms: temperature of al...

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  19. Hydrogen has the tendency to lose one e^(-) and for mation of H^(+), I...

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  20. At sun atmosphere which of the following forms is stable :

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