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Question

a) How many hydrogen bonded water molecules are associated in CuSO45H2O?
b) Define coal gassification with example.
c) Write chemical reaction of lab preparation of H2O2

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Solution

Solution:-
(a) Only one molecule of water is hydrogen bonded. The other four molecules of water are coordinated.
[Cu(H2O)4]2+SO42.H2O
(b) Coal gasification is a thermo-chemical process in which the gasifier's heat and pressure break down coal into its chemical constituents.
Ex- Production of syngas
(c) Chemical reaction for lab preparation of H2O2-
H2SO4conc.electrolysis−−−−−2H++2HSO4anode−−2eH2S2O8+2H2O−−−2H2SO4+H2O2

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