Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Why funnel arrangent is necessary in the laboratory preparation of hydrochloric acid?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Such an arrangement prevents the back-suction of water and also provides large surface area for the maximum absorption of HCl gas.