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The answer to each of the folowing questions is a single digit integar, ranging from 0 to 9. If the correct answers to the question numbers A, B, C and D (say) are 4,0,9 and 2 respectively , then the correct darkening of bubbles should be as shown on the side :
If concentrations of `SO_(2) and O_(2)` in the equilibrium reaction , `2SO_(2) (g) + O_(2) (g) hArr 2 SO_(3) (g)` are quadrupled , the concentration of `SO_(3)` now will be times `..........` times.

Text Solution

Verified by Experts

The correct Answer is:
8
`K=([SO_(3)]^(2))/([SO_(2)]^(2)[O_(2)]^(2) )=(c^(2))/(a^(2)b)`
On making the concentration of `SO_(2) and O_(2)` four times, suppose `[SO_(3)]` becomes x times . Then
` K= (xc)^(2)/((4a)^(2)(4 b) )= (x^(2)c^(2))/(64 a^(2)b).`
As K remains constant `(x^(2)c^(2))/(64a^(2)b) = c^(2)/(a^(2)b)`
or `x^(2) = 64 or x=8.`
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