When HNO3(aq) is titrated with NaOH (aq) conductometrically, the graphical representation of this titration can be shown as
A
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B
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C
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D
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Solution
The correct option is C When a strong acid is titrated with strong base, it will get neutralised to salts.
HNO3 Vs NaOH
Pure HNO3 has high conductance due to the highly conducting H+ ions.
Once NaOH is added to HNO3, H+ (faster moving) are replaced with Na+ (slow moving) ions. Thus, decreasing the overall conductance till the equivalence point.
After the neutralisation, further addition of NaOH will increase the OH− ion concentration which increase the conductivity of the solution.
Thus, graph (d) represent the conductometric titration graph for HNO3 Vs NaOH