Question

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) has a hydroxide that reacts with both acids and alkalis,

(d) does not react with cold water but reacts with steam when heated.

(e) Arrange the above metals in their decreasing order of reactivity.

Answer 1

(a) Copper
(b) Iron
(c) Zinc
(d) Iron, Magnesium, Zinc

(e) Sodium, Magnesium, Zinc, Iron, Copper.