question_answer

Give reason:

(i) Sulphuric acid is poured on copper plate.

(ii) Write word equation of the reaction involved.

Answer:

(i) Copper plate reacts with sulphuric acid and forms copper sulphate and hydrogen gas and a blue colour of copper sulphate appears.

(ii)

\[\begin{align}   & Cu\,\,\,\,\,\,\,\,\,\,+\,\,\,\,\,\,{{H}_{2}}S{{O}_{4}}\,\,\,\,\to \,\,\,\,Cu{{S}_{4}}\,\,\,+\,\,\,\,{{H}_{2}} \\  & \operatorname{copper}\,\,\,\,\,\,\,Sulphuric\,\,\,\,\,\,\,Copper\,\,\,\,\,Hydrogen \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\operatorname{acid}\,\,\,\,\,\,\,\,\,\,\,\,\,\,Sulphate \\  & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(Blue\,colour) \\ \end{align}\]