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Nascent hydrogen is prepared by...

Nascent hydrogen is prepared by

A

`Na and C_(2)H_(5)OH`

B

Al and NaOH

C

Zn and dil. `H_(2)SO_(4)`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
`Zn+H_(2)SO_(4)rarrZnSO_(4)+2[H]`
`Na+C_(2)H_(5)OHrarrC_(2)H_(5)ONa+[H]`
`Al+NaOH+H_(2)OrarrNaAlO_(2)+3[H]`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-HYDROGEN -EXERCISE 2
  1. Nascent hydrogen is prepared by

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  2. The metal, which gives hydrogen on treatment with acid as well as sodi...

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  3. Why does H^(+) ion always get associated with atoms or molecules ...

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  4. The maximum possible number of hydrogen bonds in a water molecule can ...

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  5. NH(3) and H(2)O form NH(4)OH by

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  6. 100 mL of tap water containing Ca(HCO(3)(2) was titrated with (N)/(50)...

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  7. When zeolite, which is hydrated sodium aluminium silicate, is treated ...

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  8. The molarity of a 100 mL solution containing 5.1 g of hydrogen peroxid...

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  9. 1000 g aqueous solutioin of CaCO(3) contains 10 g of calcium carbonate...

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  10. The oxidising property of H(2)O(2) is best explained by assuming that ...

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  11. Hydrogen peroxide is used as

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  12. Decomposition of H(2)O(2) is favoured by

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  13. Match the following columns and choose the correct option.

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  14. Last molecule of H(2)O is evolved from H(2)O(2) by

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  15. The volume of 10 volume H(2)O(2) solution that decolourises 200 mL of ...

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  16. Hydrolysis of one mole of peroxodisulphuric acid produces

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  17. 100 volume hydrogen peroxide solution means

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  18. Which of the following equations depict theoxidising nature of H(2)O(2...

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  19. What is the volume of O(2) liberated at NTP by complete decomposition ...

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  20. Excess of Kl and dill. H(2)SO(4) were mixed in 50 mL H(2)O(2). Thus, ...

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