Which of the following statements about a galvanic cell is incorrect?

  • A
    Anode is positive
  • B
    Oxidation occurs at the electrode with lower reduction potential
  • C
    Cathode is positive
  • D
    Reduction occurs at cathode

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Similar Questions

Match List-$I$ with List-$II$.
$LIST$-$I$ (Cell) $LIST$-$II$ (Use/Property/Reaction)
$A$. Leclanche cell $I$. Converts energy of combustion into electrical energy
$B$. Ni-Cd cell $II$. Does not involve any ion in solution and is used in hearing aids
$C$. Fuel cell $III$. Rechargeable
$D$. Mercury cell $IV$. Reaction at anode $Zn \rightarrow Zn^{2+} + 2e^-$

Choose the correct answer from the options given below:

Match List – $I$ (Laws) with the List – $II$ (Mathematical expression):
List – $I$List – $II$
$(a)$ Henry’s law$(i)$ $p_1 = x_1 p_1^o$
$(b)$ Raoult’s law(ii) $p = K_H x$
$(c)$ First law of thermodynamics(iii) $\Lambda_m^o = \nu_+ \lambda_+^o + \nu_- \lambda_-^o$
$(d)$ Kohlrausch’s law(iv) $\Delta U = q + w$

When a copper wire is placed in a solution of $AgNO_3$,the solution acquires a blue colour. This is due to the formation of

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Which of the following statements are true for fuel cells?

What is a positive and a negative electrode?

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