From the metals : copper, iron, magnesium, sodium and zinc, select a different metal in each case which :

(a) does not react with dilute hydrochloric acid,

(b) can form 2+ and 3+ ions,

(c) arrange the above metals in the decreasing order of reactivity.

(a) does not react with dilute hydrochloric acid — Copper

(b) can form 2+ and 3+ ions — Iron

(c) arrange the above metals in the decreasing order of reactivity — Na > Mg > Zn > Fe > Cu