MCQ
Oxidation and reduction take place in a cell, then its electromotive force will be
- ✓Positive
- BNegative
- CZero
- DStable
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$A + B \to C + D$
The enthalpy change and activation energy for the reverse reaction $C + D \to A + B$ are respectively
${C_6}{H_5}C{H_2}CH(OH)CH{(C{H_3})_2}\xrightarrow{{conc.\,{H_2}S{O_4}}}\,?$