Zone Refining

Q. The electrolyte used in castner's process of Na extraction is

1. Anhydrous Na₂CO₃

2. aqueous NaOH

3. NaCl + CaCl₂ + KF

4. Fused anhydrous NaOH

Q. Q 52/75 10 g of S reacts with excess of O2 to form 15 g of SO2. The% yield of the reaction is

Q. 22. 6.8 g of metal nitrate decomposed into 2.6 g of metal oxide than equivalent weight of metal is