Ascorbic acid $(C_{6} H_{8} O_{6})$ is a common antioxidant that protects our bodies against radicals. In the redox equation below that occurs in our stomach, which of the following pairs identifies the reducing and oxidizing agents respectively?
$C_{6} H_{8} O_{6} + 2 H^{+} + 2 N O_{2}^{-} \to C_{6} H_{6} O_{6} + 2 H_{2} O + 2 N O$

C_{6} H_{8} O_{6} a n d N O_{2}^{-}

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N O_{2}^{-} a n d C_{6} H_{8} O_{6}

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H^{+} a n d N O_{2}^{-}

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C_{6} H_{8} O_{6} a n d H^{+}

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Solution

The correct option is A $C_{6} H_{8} O_{6} a n d N O_{2}^{-}$
The given redox reaction is $C_{6} H_{8} O_{6} + 2 H^{+} + 2 N O_{2}^{-} \to C_{6} H_{6} O_{6} + 2 H_{2} O + 2 N O$ .
$H^{+}$ remains in the same oxidation state on both sides of equation, so it is neither the oxidizing nor reducing agent.

A species which can oxidised other and reduced itself in a redox reaction is called as oxidising agent.
Nitrite $(N O_{2}^{-})$ gets converted into nitric oxide $(N O)$ . Nitrogen is getting reduced because it is gaining electrons or losing bonds to oxygen, so $N O_{2}^{-}$ is the oxidizing agent.

A species which looses electron in a redox reaction is called as oxidising agent.
$C_{6} H_{8} O_{6},$ ascorbic acid, gets converted to $C_{6} H_{6} O_{6},$ dehydroascorbic acid. $C_{6} H_{8} O_{6}$ is getting oxidized since there is loss of electrons or loss of hydrogens, so it is the reducing agent.

$C_{6} H_{8} O_{6}$ and $N O_{2}^{-}$ in this order is the correct answer.

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Similar questions

Q. Ascorbic acid

(C_{6} H_{8} O_{6})

is a common antioxidant that protects our bodies against radicals. In the redox equation below that occurs in our stomach, which of the following pairs identifies the reducing and oxidizing agents respectively?

C_{6} H_{8} O_{6} + 2 H^{+} + 2 N O_{2}^{-} \to C_{6} H_{6} O_{6} + 2 H_{2} O + 2 N O

Calculate the mass of ascorbic acid (Vitamin C, C₆H₈O₆) to be dissolved in
75 g of acetic acid to lower its melting point by 1.5°C. K_f = 3.9 K kg mol⁻¹.

Q. The recommended daily dose is

17.6

mg of vitamin C (ascorbic acid) with the chemical formula

C_{6} H_{8} O_{6} .

(

N_{A} = 6 \times 10^{23}

)
Match List-I with List-II.

Identify oxidant and reductant in the following redox reactions.

{H g}^{2 +} + {N O}_{2}^{-} + H_{2} O ⟶ H g + {N O}_{3}^{-} + 2 H^{+}

Q. In the following reaction, which of the options acts as an oxidising agent?

F e^{2 +} + 2 H^{+} + N O_{3}^{-} \to F e^{3 +} + N O_{2} + H_{2} O

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Redox Reactions

Standard XII Chemistry

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Ascorbic acid (C6H8O6) is a common antioxidant that protects our bodies against radicals. In the redox equation below that occurs in our stomach, which of the following pairs identifies the reducing and oxidizing agents respectively? C6H8O6+2H++2NO−2→C6H6O6+2H2O+2NO