Question

A,B and C are three elements which undergo chemical reactions according to the following equations

A2O3 + 2B———›B2O3 + 2A

3CSO4 +2B———› B2(SO4)3 + 3C

3CO + 2A———›A2O3 + 3C
Answer the following questions with reason
(a) Which element is most reactive ?
(b)Which element is least reactive?
(C) What is the type of reactions listed above

Answer 1

(a) element B is most reactive
(b)element C is least reactive
(c)redox reaction

Answer 2

a) 2nd is the most reactive

b) 3rd is the least reactive

c) redox reaction