M2++2e⟶M.0.275g of metal M is deposited at the cathode due to passage of 1A of current for 965s. Hence the atomic weight of the metal M is :
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Q2
Three ampere current was passed through an aqueous solution of an unknown salt of metal M for 1 hour. 2.997 gm of Mn+was deposited at cathode. The value of n is (Atomic weight of M = 106.4)
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Q3
965 amp current is passed through molten metal chloride for one minute and 40 seconds during electrolysis. The mass of metal deposited is 9gm at the cathode. The valency of metal atom (at.wt=27) is:
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Q4
13 g of metal M is deposited at cathode by passing 0.4F of electricity. The cathodic reaction is: Atomic weight of M is given as 65. Mn++ne−→M. The value of n is:
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Q5
Three ampere current was passed through an aqueous solution of an unknown salt of metal M for 1 hour. 2.997 gm of Mn+was deposited at cathode. The value of n is (Atomic weight of M = 106.4)