Consider the reactions
(A) H2O2 + 2HI → I2 + 2H2O
(B) HOCl + H2O2 → H3O+ + Cl– + O2
Which of the following statements is correct about H2O2 with reference to these reactions? Hydrogen perioxide is ________.
(i) An oxidising agent in both (A) and (B)
(ii) An oxidising agent in (A) and reducing agent in (B)
(iii) A reducing agent in (A) and oxidising agent in (B)
(iv) A reducing agent in both (A) and (B)
Consider the reactions
(A) H2O2 + 2HI → I2 + 2H2O
(B) HOCl + H2O2 → H3O+ + Cl– + O2
Which of the following statements is correct about H2O2 with reference to these reactions? Hydrogen perioxide is ________.
(i) An oxidising agent in both (A) and (B)
(ii) An oxidising agent in (A) and reducing agent in (B)
(iii) A reducing agent in (A) and oxidising agent in (B)
(iv) A reducing agent in both (A) and (B)
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
Option (ii)
An oxidizing agent in (A) and reducing agent in (B)
H2O2 acts as an oxidising agent in A as it oxidized iodine from -1 to 0, while in B it acts as reducing agent as it reduced chlorine from +1 to -1
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Compound Melting Point (K)
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HCl 159
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