This discussion is now closed.
Check out other Related discussions
- Enthalpy Question - help!
- amount of substance Alevel Chemistry
- Chemistry calculations tips pls?
- Chemistry - stoichiometry help
- 🎀GYG-Academic victim to Academic weapon A-level 2024-2026🎀
- aqa gcse physics - waves word bank
- Alevel Chemistry harder amount of substance questions
- Chemistry amount of substance question
- what are the answers to these questions?
- Year 12's, where is your school at with Chemistry AQA content?
- Igcse edexcel biology
- Year 12 struggling in A-Level Chemistry
- End of topic test chemistry level aqa
- Quantitative chemistry A level
- Edexcel GCSE Combined Science Paper 6 Physics 2 Higher - 14th June 2024 [Exam Chat]
- Kc A level.
- is it too late?
- help with chossing bio or chem for a level
- chemistry amount of substance question
- Physics
Amount of substances
10
Hey, how do we answer this question. It’s one of the multi choice questions and is worth one mark
Which compound needs the greatest amount of oxygen for the complete combustion of 1 mol of the compound?
A ethanal
B ethanol
C ethane-1,2-diol D methanol
The answer to this question is ethanol
Which compound needs the greatest amount of oxygen for the complete combustion of 1 mol of the compound?
A ethanal
B ethanol
C ethane-1,2-diol D methanol
The answer to this question is ethanol
(edited 1 year ago)
Reply 1
i think its because the ratio of oxygen atoms to hydrogen and carbon atoms in the molecule is smallest in ethanol, therefore it needs the most oxygen to combust completely?
Related discussions
- Enthalpy Question - help!
- amount of substance Alevel Chemistry
- Chemistry calculations tips pls?
- Chemistry - stoichiometry help
- 🎀GYG-Academic victim to Academic weapon A-level 2024-2026🎀
- aqa gcse physics - waves word bank
- Alevel Chemistry harder amount of substance questions
- Chemistry amount of substance question
- what are the answers to these questions?
- Year 12's, where is your school at with Chemistry AQA content?
- Igcse edexcel biology
- Year 12 struggling in A-Level Chemistry
- End of topic test chemistry level aqa
- Quantitative chemistry A level
- Edexcel GCSE Combined Science Paper 6 Physics 2 Higher - 14th June 2024 [Exam Chat]
- Kc A level.
- is it too late?
- help with chossing bio or chem for a level
- chemistry amount of substance question
- Physics
Latest
Trending
Last reply 1 hour ago
AQA A level chemistry synthetic routes map - what is the best one to memorise?Last reply 1 month ago
Help with this chemistry question? (A2, acid-base equilibria)Last reply 1 month ago
is pcl5 and water nucleophilic or electrophilic substitution?Last reply 2 months ago
OCR AS Level Chemistry A Paper 2 - Depth ( 21th May 2024)
