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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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In the laboratory, hydrogen is prepared by the action of dilute nitric acid on zinc.(True / False)

Hydrogen can be prepared by

Assertion : Nascent hydrogen is more reactive than molecular hydrogen. Reason : Nascent hydrogen is associated with more energy

Fill in the boxes with alphabets to give correct answer. Hydrogen prepared by the of hydrogen from water, acids, and alkalies.

Knowledge Check

  • Hydrogen can be prepared by

    A
    Electrolysis of acidified water
    B
    Bosch's process
    C
    Lane's process
    D
    All of these

  • Assertion : Nascent hydrogen is more reactive than molecular hydrogen. Reason : Nascent hydrogen is associated with more energy

    A
    if both the assertion and reason are true and reason is true explanation of the assertion.
    B
    If both the assertion and reason are true but the reason is not the correct explanation of assertion.
    C
    If the assertion is true but reason is false.
    D
    If assertion if false but reason is true.

  • Pure nascent hydrogen is best obtained 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
    • 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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