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Standard XII

Chemistry

EMF

The standard ...

Question

The standard reduction potential for $C u^{2 +} / C u$ is $+ 0.34 V$ . The reducing potential at $p H = 14$ for the above couple is ${[C u^{2 +}] a t p H 14 i s 10^{- 19}}$

+ 0.22 V

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- 0.22 V

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- 0.34 V

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+ 0.34 V

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Solution

The correct option is B $- 0.22 V$

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Similar questions

The standard reduction potential for $C u^{2 +} | C u$ is $+ 0.34 V$ . Calculate the reduction potential at pH $= 14$ for the above couple if $K_{s p}$ of $C u (O H)_{2}$ is $1.0 \times 10^{- 19}$ .

Q. The reduction potential for

C u^{2 +} / C u

+ 0.34 V

. Calculate the reduction potential

(in V)

p H = 13

for the above couple

(assume saturated solution of C u (O H)_{2})

(Given: K_{s p} (C u (O H)_{2}) = 10^{- 22}

)

Q. The standard reduction potential of

C u^{2 +} (a q)

+ 0.34 V

. What is the oxidation potential of Cu(s)?

Q. The standard reduction potential for

C u^{2 +} 1 C u

is +0.34 V. The reduction potential at pH = 14 for the above couple is:

K_{s p}

C u (O H)_{2} i s 1.0 \times 10^{- 19}

Q. What is the oxidation potential of

C u (s)

, if the standard reduction potential of

{C u}^{2 +} (a q)

+ 0.34 V

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The standard reduction potential for Cu2+/Cu is +0.34 V. The reducing potential at pH=14 for the above couple is {[Cu2+] at pH 14 is 10−19}

The correct option is B −0.22 V

The standard reduction potential for $C u^{2 +} / C u$ is $+ 0.34 V$ . The reducing potential at $p H = 14$ for the above couple is ${[C u^{2 +}] a t p H 14 i s 10^{- 19}}$

The correct option is B $- 0.22 V$