Advertisements
Advertisements
Question
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas. Give reasons for each.
Advertisements
Solution
Calcium oxide and phosphorous pentoxide are very good drying agents but they are not used to dry HCI gas because they react with hydrogen chloride.
Cao +2HCI → CaCl2 +H2O
2P2O5 + 3HCl → POCl3 + 3HPO3
APPEARS IN
RELATED QUESTIONS
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NaHSO3 + HCl ->}\]
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Mangenese dioxide and copper (II) oxide. (using concentrated HCl)
Give a balanced equation when dilute hydrochloric acid is added to : Potassium bisulphite
How will you identify?
Chlorine gas
How will you prove that hydrochloric acid contains
- hydrogen
- chlorine?
Write equations for the reactions.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl->}\]
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Convert hydrochloric acid to nascent chlorine.
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl ->}\]
