ABC26IN0806 · Acids and Bases
Subject: Inorganic Chemistry · Chapter: Acids and Bases · Topic: Acids & Bases – General · Exam: NET JUNE 2015 · Marks: 2 · Difficulty: Medium
Water plays different roles in the following reactions. \[ \begin{array}{l} \text{(i) } 2\mathrm{H}_2\mathrm{O}+\mathrm{Ca} \rightarrow \mathrm{Ca}^{2+}+2\mathrm{OH}^{-}+\mathrm{H}_2 \quad \text{(ii) } n\mathrm{H}_2\mathrm{O}+\mathrm{Cl} \rightarrow [\mathrm{Cl}(\mathrm{H}_2\mathrm{O})_n]^{-} \\ \text{(iii) } 6\mathrm{H}_2\mathrm{O}+\mathrm{Mg}^{2+} \rightarrow [\mathrm{Mg}(\mathrm{H}_2\mathrm{O})_6]^{2+} \quad \text{(iv) } 2\mathrm{H}_2\mathrm{O}+2\mathrm{F}_2 \rightarrow 4\mathrm{HF}+\mathrm{O}_2 \end{array} \]
The correct role of water in each reaction is, (a)(i) oxidant, (ii) acid, (iii) base and (iv) reductant
(b)(i) oxidant, (ii) base, (iii) acid and (iv) reductant
(c)(i) acid, (ii) oxidant, (iii) reductant and (iv) base
(d)(i) base, (ii) reductant, (iii) oxidant and (iv) base
Answer
Explanation
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