The following pH range where the indicat...

The following `pH` range where the indicator shows change in colour are given
i. `4 - 9.7` ii. `7.46-10.0` iii. `6.5-4`
Which of the above `pH` range represent titration of
I. Strong acid/strong base `(S_(A)//S_(B))`,
II. Weak acid/strong base `(W_(A)//S_(B))`,
III. Weak base/strong acid `(W_(B)//S_(A))`

`(i) rarr I, (ii)rarrII, (iii) rarr III`

`(iii) rarr I, (ii) rarr II, (i) rarr III`

`(ii) rarr I, (iii) rarr II, (i) rarr III`

`(i) rarr I, (III) rarr II, (ii) rarr III`

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