KCET2017ChemistryChemistry in Everyday Life
A reaction has both ( H ) and ( S ) - ve. The rate of reaction
Options
- Aincreases with increase in temperature
- Bincreases with decrease in temperature
- Cremains unaffected by change in temperature
- Dcannot be predicted for change in temperature
Correct answer
B. increases with decrease in temperature
Step-by-step solution
The reaction is thermodynamic ally favored when ( G [ array l G= H-T S G=-v e-T(-v e) G=-v e+T(+v e) array ] Therefore, on increasing the temperature ( G ) becomes positive (+ve). Hence, the rate of reaction increases with decrease in temperature.