Electrochemistry · Chemistry · WB JEE

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MCQ (More than One Correct Answer)

WB JEE 2024
Identify the correct statement(s) :
WB JEE 2019
Identify the correct statement(s) :
WB JEE 2017
The role of fluorspar, which is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite is

MCQ (Single Correct Answer)

WB JEE 2023
$$\mathrm{BrF_3}$$ self ionises as following
WB JEE 2023
The equivalent conductance of NaCl, HCl and CH$$_3$$COONa at infinite dilution are 126.45, 426.16 and 91 ohm$$^{-1}$$cm$$^2$$eq$$^{-1}$$ respectively ...
WB JEE 2021
Which of the following solutions will have highest conductivity?
WB JEE 2021
The reduction potential of hydrogen half-cell will be negative if
WB JEE 2019
The charge carried by 1 millimole of Mn+ ions is 193 coulombs. The value of n is
WB JEE 2019
If electrolysis of aqueous CuSO4 solution is carried out using Cu-electrodes, the reaction taking place at the anode is
WB JEE 2018
What amount of electricity can deposit 1 mole of Al metal at cathode when passed through molten AlCl3 ?
WB JEE 2018
Given the standard half-cell potentials (E$$^\circ$$) of the following as$$\matrix{ {Zn \to Z{n^{2 + }} + 2{e^ - };} & {{E^o} = + 0.76V} \cr ...
WB JEE 2017
How many faradays are required to reduce 1 mol of $$C{r_2}O_7^{2 - }$$ to Cr3+ in acid medium?
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