Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the
Standard electrode potential for Sn⁴⁺/Sn²⁺ couple is +0.15 V and that for the Cr³⁺/Cr couple is -0.74 V. These two…
7 years ago
Electrochemistry and Chemical Kinetics
Which of the following will not displace hydrogen
Which of the following will not displace hydrogen Options (a) Hg (b) Pb (c) Ba (d) Sn Correct Answer: HgExplanation:Mercury…
7 years ago
The standard emf of galvanic cell involving 3 moles of electrons in its redox
The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium…
7 years ago
In electrolysis of NaCl when Pt electrode is taken then H₂ is liberated at cathode
In electrolysis of NaCl when Pt electrode is taken then H₂ is liberated at cathode while with Hg cathode it…
7 years ago
An increase in equivalent conductance of a strong electrolyte
An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to Options (a) increase in ionic…
7 years ago
How many coulombs are required for the oxidation of 1 mole H₂O to O₂
How many coulombs are required for the oxidation of 1 mole H₂O to O₂ Options (a) 3.86 x 10⁵ C…
7 years ago
Molar conductivity decreases with decrease in concentration
Molar conductivity decreases with decrease in concentration Options (a) for strong electrolytes (b) for weak electrolytes (c) both for strong…
7 years ago
After tow hours, the ratioactive substance becomes 1/16th of original amount
After tow hours, the ratioactive substance becomes 1/16th of original amount. Then the half -life (in min) is Options (a)…
7 years ago
The amount of electricity requried to deposit 0.9 g of aluminium, when the electrode
The amount of electricity requried to deposit 0.9 g of aluminium, when the electrode reaction is Al³⁺ + 3e⁻ →…
7 years ago
Standard reduction potential for Al³⁺/Al , Fe²/Fe, Br/Br are ₋1.66V, ₋0.45V, 1.09V
Standard reduction potential for Al³⁺ / Al , Fe²⁺ / Fe, Br/Br are ₋1.66 V, ₋0.45 V, 1.09 V. Order…
7 years ago