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Statement Oxidation number of Cu in CuH ...

Statement Oxidation number of `Cu` in `CuH` is -`1`
Explanation `Cu` is placed below `H` in electro-chemical series.

A

`S` is correct but `E` is wrong.

B

`S` is wrong but `E` is correct.

C

Both `S` and `E` are correct and `E` is correct explanation of `S`

D

Both `S` and `E` are correct but `E` is not correct explanation of `S`.

Text Solution

Verified by Experts

The correct Answer is:
C
Explanation is correct reason for statement.
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Statement Oxidation state of H is +1 in CuH_(2) and -1 in CaH_(2) Explanation Ca is strong electropositve metal.

Statement Oxidation number of metals in metal carbonyls is zero. Explanation The oxidation number of CO has been taken to be zero.

Coordination number of Cu^(2+) in CuSO_(4).5H_(2)O is .

Assertion (A): Cu liberates H_(2)(g) from a dilute solution of HCl . Reason (R): Hydrogen is below Cu in the electrochemical series.

The coordination number of Cu in complex [Cu(H_2O)_4]^(++) is

Statement - I. CuSO_4 solution cannot safely be kept in a Zn vessel usual. Statement - II. The position of Zn is lower than Cu in Electro-chemical-series

The coordination number of Cu in complex [Cu(H_(2)O)_(4)]^(++) is

(A) Oxidation state of 'H' is +1 in CuH_(2) and is -1 "in" CaH_(2) (R ) Ca is stronger electropositive than hydrogen.

Which of the following statements is true for an electrochemical cell of Cu- H_(2) ?

Knowledge Check

  • Statement Oxidation state of H is +1 in CuH_(2) and -1 in CaH_(2) Explanation Ca is strong electropositve metal.

    A
    `S` is correct but `E` is wrong.
    B
    `S` is wrong but `E` is correct.
    C
    Both `S` and `E` are correct and `E` is correct explanation of `S`
    D
    Both `S` and `E` are correct but `E` is not correct explanation of `S`.

  • Statement Oxidation number of metals in metal carbonyls is zero. Explanation The oxidation number of CO has been taken to be zero.

    A
    `S` is correct but `E` is wrong.
    B
    `S` is wrong but `E` is correct.
    C
    Both `S` and `E` are correct and `E` is correct explanation of `S`
    D
    Both `S` and `E` are correct but `E` is not correct explanation of `S`.

  • Coordination number of Cu^(2+) in CuSO_(4).5H_(2)O is .

    A
    5
    B
    4
    C
    3
    D
    2
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