question_answer

Shashank was asked to carry out a displacement reaction which would show the following:

(i) Formation of colourless solution

(ii) Black deposits

The reactants he should use are:

(a) \[Fe(s)\] and \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}(aq)\]

(b) \[Al(s)\] and \[FeS{{O}_{4}}(aq)\]

(c) \[Zn(s)\]  and \[CuS{{O}_{4}}(aq)\]

(d) \[Fe(s)\] and \[ZnS{{O}_{4}}(aq)\]

Answer:

(b) \[Al(s)\] and \[FeS{{O}_{4}}(aq)\]