ABC26IN0545 · Analytical Chemistry

Subject: Inorganic Chemistry · Chapter: Analytical Chemistry · Topic: Analytical Chemistry & Instrumental – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium

In the measurement of hardness of water by complexometric titration, identify P and Q in the following equation.
\[ \begin{array}{lclccc} {[\mathrm{P}]^{-}} & + & [\mathrm{H}_{2}\mathrm{Y}]^{2-} & \rightarrow & [\mathrm{Q}]^{2-} & + & [\mathrm{HIn}]^{2-} + \mathrm{H}^{+} \\ \text{red} & & \text{colourless} & & \text{colourless} & & \text{blue} \end{array} \]
(a)$\mathrm{P}=\mathrm{MgY}, \mathrm{Q}=\mathrm{MgIn}$
(b)$\mathrm{P}=\mathrm{MgY}_{2}, \mathrm{Q}=\mathrm{MgIn}_{2}$
(c)$\mathrm{P}=\mathrm{MgIn}_{2}, \mathrm{Q}=\mathrm{MgY}_{2}$
(d)$\mathrm{P}=\mathrm{MgIn}, \mathrm{Q}=\mathrm{MgY}$
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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