Podcast
Questions and Answers
Why is concentrated sulphuric acid kept in airtight containers?
Why is concentrated sulphuric acid kept in airtight containers?
- To maintain its concentration
- To prevent contamination from other substances
- To increase its reactivity
- To prevent escape of harmful fumes (correct)
Which product is formed when hot and concentrated sulphuric acid reacts with copper?
Which product is formed when hot and concentrated sulphuric acid reacts with copper?
- Copper sulfate (correct)
- Copper oxide
- Copper nitrate
- Copper chloride
What happens when HBr is treated with concentrated H${2}$SO${4}$?
What happens when HBr is treated with concentrated H${2}$SO${4}$?
- Red-brown vapors are produced (correct)
- Formation of white fumes
- No reaction occurs
- Formation of a green precipitate
Why does a piece of wood get blackened when treated with concentrated sulphuric acid?
Why does a piece of wood get blackened when treated with concentrated sulphuric acid?
What is the catalyst used in the process of manufacturing sulphuric acid?
What is the catalyst used in the process of manufacturing sulphuric acid?
Why is concentrated sulphuric acid preferred over nitric acid and hydrochloric acid for laboratory preparations?
Why is concentrated sulphuric acid preferred over nitric acid and hydrochloric acid for laboratory preparations?
Which catalyst helps in the conversion of sulphur dioxide to sulphur trioxide in step B?
Which catalyst helps in the conversion of sulphur dioxide to sulphur trioxide in step B?
What type of substance will liberate sulphur dioxide from sodium sulphite in step D?
What type of substance will liberate sulphur dioxide from sodium sulphite in step D?
What is the large-scale manufacturing process of sulphuric acid?
What is the large-scale manufacturing process of sulphuric acid?
Which property of sulphuric acid accounts for its use as a dehydrating agent?
Which property of sulphuric acid accounts for its use as a dehydrating agent?
What property of concentrated sulphuric acid makes it an oxidizing agent?
What property of concentrated sulphuric acid makes it an oxidizing agent?
Which compound has the highest boiling point among HCI, HNO3, and H₂SO₄?
Which compound has the highest boiling point among HCI, HNO3, and H₂SO₄?
