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How many total electrons are transferred in the following redox reaction?
4P(s) + 5O2(g) –> 2P2O5(s)
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Question & Answer: How many total electrons are transferred in the following redox reaction? 4P(s) + 5O2(g) –> 2P2O5(s)…..
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Expert Answer
Answer
Oxidation number of P is 0
Oxidation number of O in O2 is 0
Oxidation number of each element in P2O5 is {O=-2, P=+5}
P is oxidised from 0 to +5 state
so, electron transferred per P atom is 5
There are 4 P atoms in reaction
So,
total electron transferred = 5*4 = 20
Answer: 20 electrons
