Organic Chemistry
Moderators: Xen, expert, ChenBeier
- mikeykusuma
- Jr. Member
- Posts: 5
- Joined: Fri Jun 21, 2019 11:46 pm
- Location: Jakarta, Indonesia
Organic Chemistry
https://ibb.co/BzY8TcK
Hey guys, can you help with this organic chem problem. I have difficulty on figuring out the answer. And btw it says the correct structure for the compound is this:
https://ibb.co/HKwVkYS
Hey guys, can you help with this organic chem problem. I have difficulty on figuring out the answer. And btw it says the correct structure for the compound is this:
https://ibb.co/HKwVkYS
- ChenBeier
- Distinguished Member
- Posts: 1563
- Joined: Wed Sep 27, 2017 7:25 am
- Location: Berlin, Germany
It is a simple oxidation from naphthalen to phthalicacid and later to the anhydride or imide.
Check Phthalic acid anhydride
https://en.wikipedia.org/wiki/Phthalic_anhydride
Check Phthalic acid anhydride
https://en.wikipedia.org/wiki/Phthalic_anhydride
- mikeykusuma
- Jr. Member
- Posts: 5
- Joined: Fri Jun 21, 2019 11:46 pm
- Location: Jakarta, Indonesia
thankyou for replying! but can you explain me this picture? i have trouble understanding it and i just graduated high school last month
https://upload.wikimedia.org/wikipedia/ ... nismus.svg
https://upload.wikimedia.org/wikipedia/ ... nismus.svg
- mikeykusuma
- Jr. Member
- Posts: 5
- Joined: Fri Jun 21, 2019 11:46 pm
- Location: Jakarta, Indonesia
oh okay thanks. can you explain me this one?
https://ibb.co/zFGLsV5
the A compund is https://ibb.co/1rQVYxf
and for the C compound is https://ibb.co/zr4Y1WV
https://ibb.co/zFGLsV5
the A compund is https://ibb.co/1rQVYxf
and for the C compound is https://ibb.co/zr4Y1WV
- mikeykusuma
- Jr. Member
- Posts: 5
- Joined: Fri Jun 21, 2019 11:46 pm
- Location: Jakarta, Indonesia
Thankyou. and by the way can you explain me this?
What is the most appropriate method for collecting ethylene, which is prepared by the reaction of ethanol and concentrated sulfuric acid? Select from 1)~4).
1) upward delivery
2) downward delivery
3) collecting gas over water
4) distillation method
the answer is: 3)
What is the most appropriate method for collecting ethylene, which is prepared by the reaction of ethanol and concentrated sulfuric acid? Select from 1)~4).
1) upward delivery
2) downward delivery
3) collecting gas over water
4) distillation method
the answer is: 3)
- mikeykusuma
- Jr. Member
- Posts: 5
- Joined: Fri Jun 21, 2019 11:46 pm
- Location: Jakarta, Indonesia
wow, thanks! how about this one? can you explain these to me?
Anthracene is a solid polycyclic aromatic hydrocarbon of formula C14H10, consisting of three fused benzene rings. How many isomers exist for mono-substituted anthracenes?
Answer: 3
Which of the descriptions 1) to 5) is not correct? Choose two.
1) Naphthalene is obtained by the fractional distillation of coal tar.
2) Naphthalene is not soluble in ethanol.
3) Naphthalene is an aromatic compound.
4) Naphthalene is solid and easily sublimates.
5) Naphthalene has deliquescence.
6) Naphthalene easily undergoes electrophilic aromatic substitution.
Answer: 2 and 5
Anthracene is a solid polycyclic aromatic hydrocarbon of formula C14H10, consisting of three fused benzene rings. How many isomers exist for mono-substituted anthracenes?
Answer: 3
Which of the descriptions 1) to 5) is not correct? Choose two.
1) Naphthalene is obtained by the fractional distillation of coal tar.
2) Naphthalene is not soluble in ethanol.
3) Naphthalene is an aromatic compound.
4) Naphthalene is solid and easily sublimates.
5) Naphthalene has deliquescence.
6) Naphthalene easily undergoes electrophilic aromatic substitution.
Answer: 2 and 5