Q35 of 37 Page 110

Write redox couples involved in the reactions (i) to (iv) given in question 34.

Redox couple is a reducing element along with its oxidizing form. So for the given example,

(i) Cu2+ /Cu and Zn2+/Zn


(ii) Mg+/Mg and Fe2+/Fe


(iii) Br-/Br and Cl-/Cl


(iv) Fe2+ /Fe and Cd2+/Cd


More from this chapter

All 37 →
33

On the basis of standard electrode potential values, suggest which of the following reactions would take place? (Consult the book for Edegree value).

(i) Cu + Zn2+→ Cu2+ + Zn


(ii) Mg + Fe2+→ Mg2+ + Fe


(iii) Br2 + 2Cl-→ Cl2 + 2Br-


(iv) Fe + Cd2+→ Cd + Fe2+


 34

Why does fluorine not show disproportionation reaction?

 36

Find out the oxidation number of chlorine in the following compounds and arrange them in increasing order of oxidation number of chlorine.

 37

Which method can be used to find out strength of reductant/oxidant in a solution? Explain with an example.