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Statement-1: In Castner-kellner cell Na...

Statement-1: In Castner-kellner cell `Na^(+)` is reduced at mercury cathode.
Statement-2: Standard reduction potential of hydrogen is higher than sodium.

A

Statement-1 is True, Statement-2 is True. Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

Verified by Experts

The correct Answer is:
B
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In Castner-Kellner cell, sodium ions react with mercury to form ______.

In Castner-Kellner cell, sodium ions react with mercury to form "___________"

Knowledge Check

  • Which statement about standard reduction potentials is correct?

    A
    `E_(H^-//H_2)^@` gt 0
    B
    `E_(D^1//D_2)^@` lt 0
    C
    A redox reaction is feasible if sum of SRP of oxidant and that of reductant is a positive quantity
    D
    `K_2Cr_2O_7` is stronger oxidising agent than `KMnO_4` in acidic medium

  • A : Fluorine acts as a stronger oxidising agent than chlorine. R : Standard reduction potential of fluorine is higher than Cl_(2)

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2).
    C
    If Assertion is true statement but Reason is false, then mark (3).
    D
    If both Assertion and Reason are false statements, then mark (4).

  • Statement-1: Magnesium is more malleable and ductile than sodium, because Statement-2: First ionization energy of sodium is higher than that of Mg

    A
    Both Statement -1 and Statement-2 are true and Statement-2 is the correct explanation of Statement -1
    B
    Both Statement -1 and Statement-2 are true and Statement-2 is the not correct explanation of Statement -1
    C
    Statement-1 is true but Statement -2 is false
    D
    Statement-1 is false but Statement -2 is true

    • Similar Questions

    Explore conceptually related problems

    Statement-1: Zn cannot be obtained by the electrolysis of mixture of aqueous ZnCl_(2),AgNO_(3) and CuSO_(4) . Statement-2: Standard oxidation potential of Zn is higher than that of Ag and Cu.

    Statement -1 : Sodium ions are discharged at a mercury cathode in perference to hydrogen ion. Statement -2 : Na^(+) is stronger reducing agent than H^(+) .

    Statement-1: Identification of cathode and anode is done by the use of galvanometer. Statement-1: Higher is the value of reduction potential, greater would be its reducing power.

    Statement 1 : All metals can not be obtained by carbon reduction. Statement 2 : Carbon is a strong reducing agent.

    Statement-1: Alkali metal can not prepared by the elctrolysis of their chlorides in aqueous solution. Statement-2: Reduction potentials of alkali metals cations is much lower than that H_(2)O .

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