Q.
Which of the following is not an redox reaction?
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a
MgCO3→ MgO+CO2
b
O2+2H2→ 2H2O
c
K+H2O→ KOH+(1/2)H2
d
MnBr3→ MnBr2+(1/2)Br2
answer is A.
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Detailed Solution
in magnessium carbonate decomposition, there is no change in oxidation states
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