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Home » Complete the following chemical reactions. (i) (ii) (iii) (iv) (v) Classify the above into (a) Hydrolysis, (b) Redox and (c) Hydration reactions.
Complete the following chemical reactions. (i) \mathrm{Pb} S_{(g)}+\mathrm{H}_{2} \mathrm{O}_{2(a q)} \rightarrow (ii) \mathrm{MnO}_{4 a q}^{-}+\mathrm{H}_{2} \mathrm{O}_{2(a q)} \rightarrow (iii) \mathrm{CaO}_{(g)}+\mathrm{H}_{2} \mathrm{O}_{(g)} \rightarrow (iv) A l C l_{3(g)}+H_{2} O_{(l)} \rightarrow (v) \mathrm{Ca}_{3} \mathrm{~N}_{2(g)}+\mathrm{H}_{2} \mathrm{O}_{(l)} \rightarrow Classify the above into (a) Hydrolysis, (b) Redox and (c) Hydration reactions.
CBSE | Chemistry | Class 11 | Exercise 1 | Hydrogen | NCERT
Complete the following chemical reactions. (i) \mathrm{Pb} S_{(g)}+\mathrm{H}_{2} \mathrm{O}_{2(a q)} \rightarrow (ii) \mathrm{MnO}_{4 a q}^{-}+\mathrm{H}_{2} \mathrm{O}_{2(a q)} \rightarrow (iii) \mathrm{CaO}_{(g)}+\mathrm{H}_{2} \mathrm{O}_{(g)} \rightarrow (iv) A l C l_{3(g)}+H_{2} O_{(l)} \rightarrow (v) \mathrm{Ca}_{3} \mathrm{~N}_{2(g)}+\mathrm{H}_{2} \mathrm{O}_{(l)} \rightarrow Classify the above into (a) Hydrolysis, (b) Redox and (c) Hydration reactions.

Solution:

(I)

\mathrm{PbS}_{(g)}+4 \mathrm{H}_{2} \mathrm{O}_{2(a q)} \rightarrow \mathrm{PbSO}_{4(s)}+4 \mathrm{H}_{2} \mathrm{O}_{(l)}

\mathrm{H}_{2} \mathrm{O}_{2} is going about as an oxidizing specialist in the response. Consequently, it is a redox response

(ii)

2 \mathrm{MnO}_{4(a q)}^{-}+5 \mathrm{H}_{2} \mathrm{O}_{2(a q)}+6 \mathrm{H}_{(a q)}^{+} \rightarrow 2 \mathrm{Mn}_{(a q)}^{2+}+8 \mathrm{H}_{2} \mathrm{O}_{(l)}+5 \mathrm{O}_{2(g)} \mathrm{H}_{2} \mathrm{O}_{2(a q)} is going about as a

diminishing specialist in the acidic medium, accordingly oxidizing M n O_{4(a q)}^{-}

Consequently, the given response is a redox response.

(iii)

\mathrm{CaO}_{(g)}+\mathrm{H}_{2} \mathrm{O}_{(g)} \rightarrow \mathrm{Ca}(\mathrm{OH})_{2(a q)}

The responses wherein a compound responds with water to create different mixtures are called hydrolysis responses. The given response is hydrolysis.

(iv)

2 \mathrm{AlCl}_{3(g)}+3 \mathrm{H}_{2} \mathrm{O}_{(t)} \rightarrow \mathrm{Al}_{2} \mathrm{O}_{3(s)}+6 \mathrm{HCl}_{(\text {aq })}

The responses wherein a compound responds with water to create different mixtures are called hydrolysis responses. The given response addresses hydrolysis of \mathrm{AlCl}_{3}.

(v)

\mathrm{Ca}_{3} \mathrm{~N}_{2(s)}+6 \mathrm{H}_{2} \mathrm{O}_{(l)} \rightarrow 3 \mathrm{Ca}(\mathrm{OH})_{2(a q)}+2 \mathrm{NH}_{3(g)}

The responses wherein a compound responds with water to create different mixtures are called hydrolysis responses. The given response addresses hydrolysis of \mathrm{Ca}_{3} \mathrm{~N}_{2}.

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