Electrochemistry

CBSE Class 12 · Chemistry · 28 past questions

8 of 28 · show all

1. Q6 2025

   In an electrochemical cell, the following reaction takes place…

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2. Q7 2025

   What amount of electric charge is required for the reduction of 1 mole of $\mathrm{MnO_4^-}$ into…

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3. Q8 2025

   For Questions number 13 to 16, two statements are given — one labelled as Assertion (A) and the other…

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4. Q9 2025

   The charge required for the reduction of 1 mol of $\mathrm{MnO_4^-}$ to $\mathrm{MnO_2}$ is

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5. Q10 2025

   For question number 13 to 16, two statements are given – one labelled as Assertion (A) and the other labelled…

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6. Q11 2025

   The electrical resistance of a column of 0.05 M NaOH solution of area 0.8 cm$^2$ and length 40 cm is…

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7. Q12 2025

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8. Q13 2025

   Standard electrode potential for $Sn^{4+}/Sn^{2+}$ couple is +0.15 V and that for the $Cr^{3+}/Cr$ couple is…

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