9.) Consider the equilibrium system C(s) + CO2(g) = 2CO(g) If more C(s) is added

Question

9.) Consider the equilibrium system C(s) + CO2(g) = 2CO(g) If more C(s) is added, the equilibrium will -irco is removed the equilibrium will a. shift to the left; shift to the left b. shift to the right; shift to the right c. shift to the right; shift to the left d. be unchanged; shift to the left e. be unchanged; shift to the right 10) Calculate the pH of a solution where [OH-1-4.6 × 10-4. Is this solution acidic or a. 3.34; acidic b. 3.34; basic c. 9.40; basic d. 10.66; acidic e. 10.66; basic basic?

Explanation / Answer

9. C(s) + CO2(g)<--> 2CO(g)

If more C is added, as per le chatelier's principle, the reaction will move in the forward direction because to restore the reaction to equilibrium excess C added will react with CO2 to form CO so that the concentration of C gets back to what it originally was.

So, the reaction moves to right.

If CO is removed , again as per Le Chatelier's principle, to get the reaction back to equilibrium, C and CO2 will react in a faster pace so that more CO forms and its concentration is retained.

So, the reaction will again move in the right direction.

Option B.

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