Given that the equilibrium constant for the reaction

2SO_{2}_{(g)}+O_{2}_{(g)}\rightleftharpoons 2SO_{3}_{(g)}

has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature? 

SO_{3}_{(g)}\rightleftharpoons SO_{2}_{(g)}+\frac{1}{2}O_{2}_{(g)}

A. 1.8 X 10-3 

B. 3.6 X  10-3 

C. 6.0 X  10-2

D. 1.3 X  10-5

Options

The strongest acid amongst the following compounds is:

A. CH3COOH

B. HCOOH

C. CH3CH2CH(Cl)CO2H

D. ClCH2CH2CH2COOH

A. CH3COOH

B. HCOOH

C. CH3CH2CH(Cl)CO2H

D. ClCH2CH2CH2COOH

A. CH3COOH

B. HCOOH

C. CH3CH2CH(Cl)CO2H

D. ClCH2CH2CH2COOH

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