7. Fiure 1 represents titration ourves for solutions of four acids titrsted with

Question

7. Fiure 1 represents titration ourves for solutions of four acids titrsted with the same standard base solution. Based on these tinration curves, we can accurasely predict that (be careful) Figuse 1 Simuaion of acid/base titration curve 12 345E71 12 13 14 15 uokume added md ? curve d. a strong acid (beaker) with a strong base (buret). c. a strong base (beaker) with a acid (buret) 10 20 30 40 c. None of these. Volume of Titrant (mil) a. Curve 3 represents a smaller concentration of a weaker acid than Curve 2 b. Curve 4 represents the smallest concentration and the weakest acid. d. The dissociation constamt foe the acid represeted by Curve 3 is abour 1 x 10 e. Both a and d are correct f. All responses above are correct c Curve 1 represents the largest concentration and the strongest acid (i.e, Ka-1.0x 10) E. None of responses above are correct

Explanation / Answer

6. This titration curve represents the titration of a strong base with strong acid because the initial pH of beaker is 11. So strong base is present in beaker which is titrated with strong acid of pH 3. Such that we get the equivalence point at pH 7.

So answer is (c) Strong base is titrated with strong acid.

For problem 7, you post it saperately to get detailed solution.

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