Podcast
Questions and Answers
Why does the boiling point of a fraction decrease with shorter molecules?
Why does the boiling point of a fraction decrease with shorter molecules?
- Higher heat energy release
- Increased viscosity
- Increased color intensity
- Lower temperature of vaporization (correct)
What is the main product of complete combustion of hydrocarbons with oxygen?
What is the main product of complete combustion of hydrocarbons with oxygen?
- Unburnt fuel particles
- Carbon monoxide
- $CO_2$ and $H_2O$ (correct)
- Nitrogen oxides
Why is carbon monoxide considered poisonous?
Why is carbon monoxide considered poisonous?
- It enhances breathing functions
- It causes darkening of colors
- It increases blood oxygen capacity
- It prevents red blood cells from transporting oxygen (correct)
What pollutant is formed during the combustion of sulfur-containing fuels?
What pollutant is formed during the combustion of sulfur-containing fuels?
What can be formed when nitrogen and oxygen react in high-temperature conditions in car engines?
What can be formed when nitrogen and oxygen react in high-temperature conditions in car engines?
'Catalytic cracking' in petroleum refining converts long-chain alkanes into shorter-chain alkanes and alkenes using what catalyst?
'Catalytic cracking' in petroleum refining converts long-chain alkanes into shorter-chain alkanes and alkenes using what catalyst?
How do sulfur dioxide and nitrogen oxides contribute to acid rain formation?
How do sulfur dioxide and nitrogen oxides contribute to acid rain formation?
'Partial combustion' results in the release of unburnt fuel particles and what other substance?
'Partial combustion' results in the release of unburnt fuel particles and what other substance?
'Acid rain' can alter the pH of soil and rivers, affecting ecosystems by:
'Acid rain' can alter the pH of soil and rivers, affecting ecosystems by:
'Cracking' of hydrocarbons during petroleum refining involves:
'Cracking' of hydrocarbons during petroleum refining involves:
