Redox Reaction ...

Direction (Q. Nos. 1-15) This section contains 15 multiple choice questions. Each question has four
choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. As₂S₃ (yellow precipitate) is soluble in cone. HNO₃ as given in unbalanced equation

Equivalent weight in terms of molar mass M of As₂S₃ is

In the following reaction, 2H₂S(g) + SO₂(g) → 3S(S) + 2H₂O (l) One equivalent of H₂S (g)will reduce

Which has maximum number of equivalents per mole of the oxidant?

Equivalent weight of H₃PO₂ in a reaction is found to be half of its molecular weight. It can be due to its

KMnO4 (purple) is reduced to K₂M_nO₄ (green) by in basic medium. 1 mole of KMnO₄ is reduced by

Equivalent weight of K₂Cr₂O₇ in the following reaction is

(M = molar mass of K₂Cr₂O₇)

In the following disproportionation of Cl₂ in basic medium Cl₂ + 2KOH → KCl + KClO + H₂O  equivalent mass of Cl₂ is

One mole of CaOCI₂ is dissolved in water and excess of Kl added. Hypo (Na₂S₂O₃) required to react oxidised part completely is

Consider conversion of MnCI₂ into

      
Increasing order of equivalent weights of MnCI₂ in these conversions is

The equivalent weight of MnSO₄ is half of its molecular weight when it converts to

The number of moles of KMnO₄ that will be needed to react with one mole of ferrous sulphite in acidic solution is

The number of moles of K₂Cr₂O₇ that will be needed to react completely with one mole of ferric sulphite in acidic medium is

Photosynthesis of carbohydrates in plants takes place as

6CO₂ +12H₂O   C₆H₁₂O₆ + 6O₂ + 6H₂O

Equivalent weight of CO₂ and C₆H₁₂O₆ respectively are 

Equivalent weight of C₆H₅CHO is equal to molar mass in the following reaction.

Thus, species {A) is 

Equivalent w eight of KMnO₄ and its reduced species in different mediums are given