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Classification of Hydrocarbons

Which one of ...

Question

Which one of the following reactions is not an example of redox reaction

C l_{2} + 2 H_{2} O + S O_{2} \to 4 H^{+} + S O_{4}^{2 -} + 2 C l^{-}

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C u^{+ +} + Z n \to Z n^{+ +} + C u

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2 H_{2} + O_{2} \to 2 H_{2} O

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H C l + H_{2} O \to H_{3} O^{+} + C l^{-}

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Solution

The correct option is D $H C l + H_{2} O \to H_{3} O^{+} + C l^{-}$
In reaction $H C l + H_{2} O \to H_{3} O^{+} + C l^{-}$ , there is no reduction or oxidation happening! Just ionisation, look at this carefully.

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Similar questions

Divide the following redox reactions into oxidation and reduction half reactions.

(i) $Z n + P b^{2} \to Z n^{2} + P b$

(ii) $Z n + C u^{2 +} \to Z n^{2} + C u$

(iii) $C l_{2} + 2 B r^{-} \to B r_{2} + 2 C l^{-}$

identify type of reaction

Al(OH) ₃+ 3HCl - - - - AlCl₃+3H₂O

MnO₂+4H⁺ +2Cl^------Mn²⁺+2H₂O +Cl₂

{C r}_{2} O_{7}^{2 -} + 2 ⊖ O H ⟶ 2 C r O_{4}^{2 -} + H_{2} O

Z n + C u S O_{4} ⟶ Z n S O_{4} + C u

2 M n O_{4}^{⊖} + 3 {M n}^{2 +} + 4 ⊖ O H ⟶ 5 M n O_{2} + 2 H_{2} O

2 {C u}^{\oplus} ⟶ C u + {C u}^{2 +}

C u^{+} \to C u^{2 +} + C u

3 M n O_{4}^{- 2} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O

2 K M n O_{4} \to K_{2} M n O_{4} + M n O_{2} + O_{2}

2 M n O_{4}^{-} + 3 M n^{+ 2} + 2 H_{2} O \to 5 M n O_{2} + 4 H^{+}

C u^{+} \to C u^{2 +} + C u

3 M n O_{4}^{-} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O

2 K M n O_{4} \to K_{2} M n O_{4} + M n O_{2} + O_{2}

2 M n O_{4}^{-} + 3 M n^{2 +} + 2 H_{2} O \to 5 M n O_{2} + 4 H^{+}

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