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NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY
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Stainless steel does not rust because
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Correct option: B
Chromium forms an oxide layer and protects iron from rusting
Option B (Chromium forms an oxide layer and protects iron from rusting) is correct because chromium forms a passive layer of chromium oxide () that prevents further oxidation of the iron.
More Questions from ELECTRO CHEMISTRY
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4.5 g of Al (at. mass 27 amu) is deposited at cathode from solution by a certain quantity of charge. The volume of produced at STP from ions in solution by the same quantity of charge will be :
The correct order of molar conductivity at infinite dilution of is
A solution of copper sulphate is electrolysed for 10 minutes with a current of 1.5 amperes. The mass of copper deposited at the cathode (at. mass of Cu = 63 u) is
The desired amount of charge for obtaining one mole of Al from is
When an aqueous solution of lithium chloride is electrolysed using graphite electrodes :
Which are used as secondary reference electrodes?