Question

How many moles of electrons are required to reduce one mole of bromine gas (Br2) to two moles of bromide ions (Br-)?

Answer 1

@texaschic101 @iGreen

Answer 2

@mayankdevnani @Preetha

Answer 3

you need to write the balanced half-reaction, that will tell you

Answer 4

Okay

Answer 5

is it 4e-?

Answer 6

what's the balanced half-reaction?

Answer 7

Cr2O7 + C2H5OH + 2H --> 2Cr3 + 2CO2 + 4H2O + 4e-

Answer 8

there's no bromine or bromide ions in this equation, which question do you want to answer?