MCQ
What describes a spontaneous reaction?
- APositive ΔH
- BNegative ΔH
- CPositive ΔG
- DNegative ΔG
Explanation:
For a reaction to be spontaneous, the value of ΔG should be Negative.
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$SO_3(g) \rightleftharpoons SO_2(g)+ \frac{1}{2} O_2(g)$
is $K_c= 4.9 \times 10^{-2}.$ The value of $K_c$ for the reaction
$2SO_2(g) + O_2(g) \rightleftharpoons 2SO_3(g)$
will be