Anodising can be done by electrolyzing dilute H_2SO_4 with Al as anode; this results in

JEE Main Chemistry question

Anodising can be done by electrolyzing dilute with Al as anode; this results in

(A)The formation of protective oxide layerCorrect
(B)The formation of and gas
(C)The formation of and gas
(D)The formation of and gas

Answer: (A)

Solution

Anodising passes current through aluminium (as anode) in dilute acid to deliberately build up a thickened, protective layer of on its surface via controlled anodic

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Question ID VK-138423