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Question
Give balanced equations for the following reactions:
(i) Silver nitrate is added to the dilute solution of sodium thiosulphate.
(ii) Potassium dichromate is treated with acidified ferrous sulphate solution.
(iii) Phosphorus reacts with cone, sulphuric acid.
Answer in Brief
Solution
(i)
\[\ce{2AgNO3 + Na2S2O3 -> Ag2S2O3 + 2NaNO3}\]
(ii)
\[\ce{K2Cr2O7 + 7H2SO4 + 6FeSO4 -> K2SO4 + Cl2(SO4)3 + 7H2O + 3Fe2(SO4)3}\]
(iii)
\[\ce{2P + \underset{\text{(conc.)}}{5H2SO4} -> 2H3PO4 + 5SO2 + 2H2O}\]
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Order of a Reaction - Relation Between Order and Stoichiometric Coefficients in Balanced Equations
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