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CuS is...

CuS is

A

blue in colour

B

black in colour

C

dirty white in colour

D

none of these

Text Solution

Verified by Experts

CuS is black in colour.
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Knowledge Check

  • What is E^(c)._(red) for the reaction : Cu^(2+)+2e^(-) rarr Cu in the half cell Pt_(S^(2)|CuS|Cu) . if E^(c-)._(Cu^(2+)|Cu) is 0.34V and K_(sp) of CuS=10^(-35) ?

    A
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    B
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    C
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    A
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  • Consider the following four electrodes: A=Cu^(2+)(0.0001M)//Cu_((s)) B=Cu^(2+)(0.1M)//Cu_((s)) C= Cu^(2+)(0.01M)//Cu_((s)) D=Cu^(2+)(0.001M)//Cu_((s)) If the standard reduction potential of Cu^(+2)//Cu is +0.34V , the reduction potentials (in volts) of the above electrodes follow the order

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    C
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