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JEE Advanced Model Paper 5 with solutions for online practice

Answer Q.31, Q.32 and Q.33 by appropriately matching the information given in the three columns ofthe following table

The following graphs represent the different types of acid base titration curve, corresponding conductometric curvesand formulae used for the pH measurement

Column 1

Column 2

Column 3

(I) pH at equivalance point =

pKw

(II) pH at half equivalance point = pKa

(III) Bromothylmol blue (pH range = 6 t o 7.5) can be the choice of suitable indicator to detect the equivalance point

(IV) pH at first equivalance point =

pKa1+pKa2

Question : 31

Total: 54

Which is correct for the titration of CH3COOH with NH4OH ?

(III) (i) (S)
(IV) (iii) (S)
(III) (ii) (S)
(I) (iii) (P)

Validate

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