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Rupal Bhai Rao
Asked: 2022-11-11T19:41:00+05:30 In:

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of:
A. `Kl`
B. `KCl`
C. `KSCN`
D. `KCN`

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of:
A. `Kl`
B. `KCl`
C. `KSCN`
D. `KCN`
Parabola
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  1. Correct Answer – A,C,D
    `2CuSO_(4)+4Kl to 2″Cul” darr(“white”)+2K_(2)SO_(4)+l_(2)`
    `3SCN^(-)+Cu^(2+) to CuSCN darr (“white”)+(SCN)_(2)`
    `6CN^(-)+Cu^(2+) to [Cu(CN)_(4)]^(3-)+(CN)_(2)`

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Padama Persaud
Asked: 2022-11-09T22:07:15+05:30 In:

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of
A. KF
B. KCl
C. KI
D. KOH

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of
A. KF
B. KCl
C. KI
D. KOH
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  1. Correct Answer – C
    `I^(-)` is a strong reducing Agent

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Binoya Lata
Asked: 2022-11-01T16:15:03+05:30 In:

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of
A. KF
B. KCl
C. KI
D. KOH

`Cu^(2+)` ions will be reduced to `Cu^(+)` ions by the addition of an aqueous solution of
A. KF
B. KCl
C. KI
D. KOH
Parabola
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  1. `2CuSO_(4) +4KI to underset(“Cuprous iodine”)(2CuI) +2K_(2)SO_(4)+I_(2)`

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