Advertisements
Advertisements
प्रश्न
A solution of hydrogen chloride in water is prepared. The following substances are added to separate portions of the solution:
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | _________ | _________ |
| 2. | Magnesium ribbon | _________ | _________ |
| 3. | Manganese (IV) oxide with heating | _________ | _________ |
| 4. | Sodium sulphide | _________ | _________ |
उत्तर
| S. No. | Substances added | Gas evolved | Odour |
| 1. | Calcium carbonate | \[\ce{CO2}\] | Odourless |
| 2. | Magnesium ribbon | \[\ce{H2}\] | Odourless |
| 3. | Manganese (IV) oxide with heating | \[\ce{Cl2}\] | Strong Pungent odour |
| 4. | Sodium sulphide | \[\ce{H2S}\] | Unpleasant like |
संबंधित प्रश्न
Study the flow chart and give balanced equations with conditions for the conversions A, B, C, D and E.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Mangenese dioxide and copper (II) oxide. (using concentrated HCl)
Name the following :
Acid present in the stomach of mammals.
Name the gas evolved when dilute hydrochloric acid is added to: Sodium sulphite
Give a balanced equation when dilute hydrochloric acid is added to : Magnesium bicarbonate
Complete and balance the following reaction, state whether dilute or conc. acid is used.
\[\ce{NH4OH + HCl->}\]
Convert Hydrochloric acid to nascent chlorine.
Complete and balance the following reaction, state whether dilutes or conc. acid is used.
\[\ce{NH4OH + HCl -> }\]
Complete and balance the following reaction, state whether dilute or cone. acid is used.
\[\ce{NH4OH + HCl ->}\]
Complete and balance the following reaction; state whether it is dilute or cone. acid is used.
\[\ce{NH_4OH + HCl ->}\]
