For the preparation of hydrochloric acid in the laboratory 0=- I ] State why direct absorption of hydrogen gas in water is not feasible . Ii ] State what arrangement is used to dissolve hydrogen chloride gas in water.

For the preparation of hydrochloric acid in the laboratory : Why is direct absorption of hydrogen chloride gas in water not feasible ?

Give reasons why? For the preparation of hydrochloric acid, hydrogen is not directly absorbed in water.

Draw a neat labelled diagram for the preparation of hydrogen chloride gas in the laboratory. Write the equation involved in the reaction.

With respect to the laboratory preparation of hydrochloric acid answer the following question : Which method is used to collect hydrogen chloride gas ?

Calcium oxide is a very good drying agent but it is not used to dry hydrogen chloride gas. Explain why?

Name the acid used for the preparation of hydrogen chloride gas in the laboratory. Why is this particular acid preferred to other acids?

In the laboratory preparation of hydrochloric acid , hydrogen chloride gas is dissolved in water . (i) Draw a diagram to show the arrangement used for the absorption of HCl gas in water. (ii) State why such an arrangement is necessary . Give two reasons for the same . (iii) Write balanced chemical equations for the laboratory preparation of HCl gas when the reactants are : A below 200^(@)C B above 200^(@)C

Write the balanced chemical equation for the laboratory preparation of hydrogen chloride gas.

Find out the longest wavelength of absorption line for hydrogen gas containing atoms in ground state.

In the laboratory preparation of hydrochloric acid, HCl gas is dissolved in water. Why is such an arrangement necessary ? Give two reasons.