a. Deduce the change in ox. no. for the bold atoms or ions in each of the

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a. Deduce the change in ox. no. for the bold atoms or ions in each of the following equations. In each case, state whether oxidation or reduction has taken place.
i. 2I^–+ Br₂ → I₂ + 2Br^–

ii. (NH₄)₂Cr₂O₇ → N₂ + 4H₂O + Cr₂O₃
iii. As₂O₃ + 2I₂ + 2H₂O → As₂O₅ + 2H⁺+ 4I^–

iv. 2KMnO₄+ 16HCl → 2MnCl₂ + 2KCl + 5Cl₂+ 8H₂O

b. Identify the reducing agent in each of the equations above.

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Cambridge International AS And A Level Chemistry Coursebook

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Authors: Lawrie Ryan, Roger Norris

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Question Posted: Sep 17, 2021 02:39 AM

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a. Deduce the change in ox. no. for the bold atoms or ions in each of the

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a i In this equation the oxidation number of I changes from 1 to 0 This is a ...View the full answer

Cambridge International AS And A Level Chemistry Coursebook

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