Please answer the following question with explanation
Asked by Deepak
15th September 2018,
3:05 PM
Answered by Expert
Answer:
CuSO4 → Cu2+ + SO42- & H2O → 2H+ + OH-
The Cu2+ thus produced was treated with KI solution So, applying law of chemical equivalence we have
meq of Cu2+ = meq of KI = meq of I2 = meq of S2O32-
100 × 0.05 = 0.04 × VS2O32-
VS2O32- = {100 × 0.05}/0.04 = 125ml. (option c)
Answered by Expert
20th September 2018,
12:23 AM
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