Copper does not react with dilute hydrochloric acid even on heating but it reacts with a highly concentrated solution of _____.
(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.
(b)Name one metal which does not react with dilute hydrochloric acid.
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.
From the metals copper, iron, magnesium, sodium and zinc, select a different metal in each case which: (i) does not react with dilute hydrochloric acid. (ii) can form 2+ and 3+ ions. (iii) has a hydroxide that reacts with both acids and alkalis. (iv) does not react with cold water but reacts with steam when heated. Arrange the metals in increasing order of reactivity.
Copper does not react with Hydrochloric acid or dilute Sulphuric acid. Explain it.