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Standard X

Chemistry

Ionic Salts and Their Characteristic

Find the numb...

Question

Find the number of reducing agents from the following
$H_{2} S$ , $S O_{3}$ , $C r O_{4}^{2 -}$ , $F e^{2 +}$ , $M n O_{4}^{-}$

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Solution

The number of reducing agents is 2.
$H_{2} S$ and $F e^{2 +}$ are the reducing agents.
$S O_{3}$ , $C r O_{4}^{2 -}$ , and $M n O_{4}^{-}$ are the oxidizing agents.

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Given the standard reduction potentials:

Zn²⁺/Zn = - 0.74 V, Cl₂/Cl^- = 1.36 V, H⁺/1/2H₂ = 0 V and Fe³⁺/Fe²⁺ = 0.77 V.
The order of increasing strength as reducing agent is

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a.

F_{2}

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{N a}^{\oplus}

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Find out the process of oxidation , reduction. And oxidising agent ,reducing agent from the following.

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3.CuO + C ➡ Cu + CO

Q. Assertion :Both

S O_{2}

and

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S O_{2}

and

S O_{3}

bleach the articles by oxidation.

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S O_{2}

and

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are reducing agents Reason: Both

S O_{2}

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bleach the articles by reduction

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Find the number of reducing agents from the followingH2S, SO3, CrO2−4, Fe2+, MnO−4

The number of reducing agents is 2.H2S and Fe2+ are the reducing agents. SO3, CrO2−4, and MnO−4 are the oxidizing agents.

Find the number of reducing agents from the following
$H_{2} S$ , $S O_{3}$ , $C r O_{4}^{2 -}$ , $F e^{2 +}$ , $M n O_{4}^{-}$

The number of reducing agents is 2.
$H_{2} S$ and $F e^{2 +}$ are the reducing agents.
$S O_{3}$ , $C r O_{4}^{2 -}$ , and $M n O_{4}^{-}$ are the oxidizing agents.