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Asseration: H(2)S can be dried by H(2)SO...

Asseration: `H_(2)S` can be dried by `H_(2)SO_(4)`
Reason: A basic drying agent absorbs moisture from basic substance and an acidic drying agent is needed for acidic substance to be dried.

A

If both the asseration and reason are ture and reason is the true explation of the assertion.

B

If both the asseration and reason are ture but the reason is not the correct explanation of assertion.

C

If the asseration is true but reason is false.

D

If asseration is false bit reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
`H_(2)S` (acid) cannot be dried by `H_(2)SO_(4)` (acid) as the later oxidises `H_(2)S`. However, given explanation is correct.
`3H_(2)S+H_(2)SO_(4)rarr4H_(2)O+4S`
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Explore conceptually related problems

Asseration: NH_(3) can be dried by CaCl_(2) . Reason: CaCl_(2) is a good dehydrating agent.

H_2S gas cannot be dried over conc. H_2SO_4 because

For drying H_(2)S gas concentrated H_(2)SO_(4) can not be used why ?

HCl can be dried over H_(2)SO_(4) but not used P_(4)O_(10)andCaO Why?

Why concentrated H_(2)SO_(4) can not be used for drying H_(2) ?

Knowledge Check

  • Asseration: NH_(3) can be dried by CaCl_(2) . Reason: CaCl_(2) is a good dehydrating agent.

    A
    If both asseration and reson are true and the reason is the correct explanation of the asseration.
    B
    If both asseration and reason are true ans the reason is the correct explanation of the asseration.
    C
    If asseration is true but reason is false.
    D
    If asseration is false but reason is true.

  • H_2S gas cannot be dried over conc. H_2SO_4 because

    A
    the acid oxidises it
    B
    the acid combines with `H_2S` to form a salt
    C
    both forms a complex
    D
    `H_2SO_4` is not a drying agent.

  • H_(2) S is move acidic than H_(2)O . The reason is

    A
    O-H bond is stronger than S-H bond
    B
    O is more electronegative than sulphur
    C
    H-S bond is weaker than O-H bond
    D
    O-H bond is weaker than H-S bond