KVPY SX SB Exam 2018 Question Paper

Question : 54 of 120

Marks: +1, -0

Among the following, the plot that correctly represents the conductometric titration of 0.05

M\ H_2SO_4

with 0.1M

NH_4OH

is :-

Solution:

Initially H

^{+}

ions are present due to complete dissociation of

H_2SO_4

. Upon addition of

NH_4OH

, H

^{+}

ions decreases so conductivity decreases & becomes constant after salt formation.

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