Advertisements
Advertisements
Question
Name an element which reacts with hydrogen to form a compound which is strongly acidic in water.
Advertisements
Solution
Chlorine
The compound formed, which is strongly acidic in water, is HCl.
\[\ce{H2 + Cl2 -> 2HCl}\]
APPEARS IN
RELATED QUESTIONS
Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.
Write an equation for the reaction of hydrochloric acid on magnesium foil.
Explain why dilute hydrochloric acid cannot be concentrated by boiling beyond 22.2%.
Give three distinct test [apart from using an indicator] you would carry out with solution of HCl to illustrate the typical properties of an acid.
Fill in the blank:
On addition of silver nitrate to hydrochloric acid ___________ precipitate is formed which is soluble in ____________
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 | _________ | _________ |
Complete the table by writing the gas evolved in each case and its odour.
What is the property of concentrated sulphuric acid (H2SO4) which allows it to be used in the preparation of hydrogen chloride (HCl) and nitric acid (HNO3)?
Give a chemical test to distinguish between the following pair of compounds:
Hydrogen chloride gas and hydrogen sulphide gas
State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.
The ratio between the volumes occupied by 4.4 grams of carbon dioxide and 2 grams of hydrogen gas is ______.
