Question

G. State one observation - for each of the following:
15)
(1)A neutral litmus is a dipped in a solution formed on hydrolysis of
potassium bicarbonate.
2)Ammonium sulphate is heated with caustic soda and the gas evolved
burnt in an atmosphere of oxygen.
3)Hydrogen sulphide is reacted with conc. Sulphuric acid and the gas
evolved bubbled through acidified potassium dichromate solution
(iv) Sulphur is heated with hot concentrated nitric acid and the gas evolved is
bubbled through potassium iodide solution
(v) Nitric oxide combines with oxygen at low temperatures,

H. Select the correct answer -- from the choices given below.
[5]
(S0,2;H";K;cr'Cu2+ : OH'; Nat?: Ag+, Zn? 1
1) The cation discharged at the electrode, with most difficulty.
2)The anion discharged at the electrode, most easily.
3)The ion discharged at the cathode during electrolysis of acidified water.
(iv) The ion discharged at the anode during electrolysis of aq. Copper sulphate
using copper electrodes.
(v) The ion which has maximum tendency to get reduced at the cathode
during electrolysis.​

Answer 1

Answer:

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