What is the oxidation number of bromine in Br2?
A) 0
B) -1
C) +7
D) -5
Correct Answer:
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Q7: What is the oxidation number of manganese
Q8: Reduction is the
A)gain of protons.
B)loss of protons.
C)gain
Q9: Which species is oxidized in the
Q10: In a voltaic cell
A)a chemical reaction occurs
Q11: What always travels through the external circuit
Q13: The oxidizing agent is
A)the species that is
Q14: What always occurs at the anode in
Q15: What always travels through the salt bridge
Q16: During a redox reaction,the oxidation number of
Q17: What is the oxidation number of chromium
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