Electrochemistry · Chemistry · BITSAT

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MCQ (Single Correct Answer)

BITSAT 2023
The equilibrium constant of the reaction $$A(s)+2 B^{+}(a q) \rightleftharpoons A^{2+}(a q)+2 B(s)$$ $$E_{\text {cell }}^{\circ}=0.0295 \mathrm{~V} \t...
BITSAT 2022
Using the standard electrode potential, find out the pair between which redox reaction is not feasible. E$$^\Theta $$ values Fe3+ / Fe2+ = + 0.77; I2 ...
BITSAT 2021
The molar conductivities of KCl, NaCl and KNO3 are 152, 128 and 111 S cm2 mol$$-$$1 respectively. What is the molar conductivity of NaNO3?...
BITSAT 2021
The approximate time duration in hours to electroplate 30 g of calcium from molten calcium chloride using a current of 5 A is (Atomic mass of Ca = 40)...
BITSAT 2021
Given, the reduction potential of Na+, Mg2+, Al3+ and Ag+ as $$E_{N{a^ + }/Na}^o$$ = $$-$$ 2.17 V; $$E_{M{g^{2 + }}/Mg}^o$$ = $$-$$ 2.37 V; $$E_{A{g^ ...
BITSAT 2020
A solution of copper sulphate is electrolyzed between copper electrodes by a current of 10.0A passing for one hour. Which of the following statements ...
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