Thu September 13, 2012 By: Neha Mishra

state the reactions of concentrated H2SO4 with: 1.NaCl 2,Caf2 3.Cu 4.S8 5.C

Expert Reply
Fri September 14, 2012

1. concentrated sulphuric acid reacts with solid sodium chloride in the cold to produce hydrogen chloride and sodium hydrogensulphate.

2. calcium fluoride, CaF2 react  with concentrated sulfuric acid, H2SO4 to form hydrogen fluoride.

CaF2(s) + H2SO4(l) -> 2HF(g) + CaSO4(s)

3. Copper reacts with sulphuric acid to give copper sulphate, sulphur dioxide and water


concentrated sulfuric acid oxidizes carbon  

C + 2 H2SO4 ? CO2 + 2 SO2 + 2 H2O
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