balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a...

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balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a...

balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a reduction.

TiO2(s)?Ti2+(aq) (acidic solution)

ClO?3(aq)?Cl?(aq) (acidic solution)

science chemistry

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Answer 1

Answer #1

(1) TİO2(5) + 4 H+ (aq) + 2 since electrons are gained (2) C103-(aq) + 6 H+ (aq) + since electrons are gained e- => Ti2+ (aq)

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Answer 2

Answer #2

1) TiO2(s) ? Ti2+(aq) [Acidic Sln]
Step 1) TiO2(s) -> Ti2+(aq)
Step 2) TiO2(s) -> Ti2+(aq) + 2H2O(l)
Step 3) TiO2(s) + 4H+ -> Ti2+(aq) + 2H2O(l)
Step 4) Omit as it is an acidic solution so you do not have to add OH- to neutralise the H+ ions.
Step 5) TiO2(s) + 4H+ + 2e- -> Ti2+(aq) + 2H2O(l)

2) ClO₃^-(aq) + 6H⁺ + 6e^- ---> Cl^- (aq)+ 3H2O (l)

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Answer 3

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balance the following half-reactions. In each case indicate whether the half-reaction is an oxidation or a...