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Types of Redox Reactions

Which of the ...

Question

Which of the following process represents disproportionation?

C u + 4 H N O_{3} \to C u (N O_{3})_{2} + 2 N O_{2} + 2 H_{2} 0

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3 I_{2} + 6 O H^{-} \to I O_{3}^{-} + 5 I^{-} + 3 H_{2} O

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C l_{2} + I_{2} \to 2 I C l

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Z n + 2 H C l \to Z n C l_{2} + H_{2}

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Solution

The correct option is A $C u + 4 H N O_{3} \to C u (N O_{3})_{2} + 2 N O_{2} + 2 H_{2} 0$
Disproportionation is a chemical reaction typically a redox reaction where a molecule is transferred into two or more dissimilar products.

$↑$ $⟶$ decrease $⟶$ $↓$
$0 C u 0 + + 5 4 H N O_{3} ⟶ C u (N O_{3})_{2} + 4 + + 4 2 N O_{2} + H_{2} O$
$↓$ $⟶$ increase $⟶$ $↑$

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