Question

PLEASE EXPLAIN THE ANSWER
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Answer 1

HEYA MATE YOUR ANSWER IS

Option 1) 1

Only one electron is exchanged in this reaction as we can se there is only one free electron present in the reactant side & after reaction (breaking down of element) it got more positively charged ions i.e 2...

As copper is metal it has only 2 free valence shell electron..

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Answer 2

Answer:

OPTION (1) IS CORRECT ONLY 1 ELECTRON WILL EXCHANGE PER Cu+ ion . BECAUSE –

${cu}^{ + } - - - > cu \: \: \: (1 {e}^{ - } \: \: exchange) \\ \\ {cu}^{ + } - - - > {cu}^{ + + } (1 {e}^{ - } exchange)$