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Ortho- and par - hydrogen differ in...

Ortho- and par - hydrogen differ in

A

Atomic number

B

Mass number

C

Electron spin in two atom

D

Nuclear spin in two atoms

Text Solution

Verified by Experts

The correct Answer is:
D
Nuclean spin of ortho - hydrogen `=+(1)/(2)+(1)/(2)=1` para - hydrogen `=+(1)/(2)-(1)/(2)=0`
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AAKASH SERIES-HYDROGEN AND ITS COMPOUNDS-PRACTICE SHEET (EXERCISE-I) (LEVEL-II (ADVANCED) Straight Objective Type Questions )
  1. Decomposition of H(2)O(2) in accompained by

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  2. Different samples of water containing each 100 ppm of CaCl(2),MgSO(4),...

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  3. 1000g of a water sample contained a calcium salt equivalent to 18 of C...

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  4. 12 ml of saturated solution .001gr of CaCO(3) were required in the ti...

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  5. Last molecule of H(2) O is removed from H(2)O(2) by

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  6. Which hydride is called alante?

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  7. Specific test for the detection of H(2)O(2) is

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  8. The structure of H(2)O(2) is

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  9. Which oxide cannot be reduced by H(2)?

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  10. Ortho- and par - hydrogen differ in

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  11. .4 sample of H(2)O(2) solution containing H(2)O(2) by weight requires ...

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  12. 100mL of om at STP was passed through 100 ml of 10 volume H(2)O(2)solu...

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  13. In the preparation of H(2)O(2) from Na(2)O(2) with ice cold sulphuric ...

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  14. The percentage weight of hydrogen in H(2)O(2)

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  15. When treated with H(2)O(2) aqueous KMnO(4) in acidic medium gives fina...

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  16. A mixture of hydrazine and H(2)O(2) is

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  17. Consider the following statements (I) Atomic hydrogen is obtained by...

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  18. Which of the following metals will give H(2) on reaction with NaOH?

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  19. In the reaction, H(2)S+H(2)O(2) to S+2H(2)O:

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  20. Permanent hardness of water arises due to the presence of

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