Table of Contents
- 1 How do you memorize functional groups?
- 2 Which of the following is the correct priority order of functional groups?
- 3 How do you remember methane ethane propane butane?
- 4 How do you determine the priority of a functional group?
- 5 Why are functional groups numbered in alphabetical order?
- 6 How to remember functional groups in nomenclature of organic compounds?
How do you memorize functional groups?
The best way to MEMORIZE them is to use flash cards (or a computer/tablet/phone app).
Which of the following is the correct priority order of functional groups?
The priority of functional groups in IUPAC nomenclature is -COOH > -SO3H > -COOR > -COCl > -CONH2 > -CN > HC=O >
How do you remember methane ethane propane butane?
Mnemonic Device: My Enormous Penguin Bounces Pretty High, Helping Old No-named Donkeys Explanation: to remember these alkanes in organic chemistry Methane, Ethane, Propane, Butane, Pentane, Hexane, Heptane, Octane, Nonane, Read More…
Does Oh have higher priority than CH2OH?
anti-clockwise = (S) For example, in (+)-glyceraldehyde the order of priority of the groups is OH > CHO > CH2OH > H and the configuration is (R).
Is an ester a ketone?
Now we can see the differences. An ester is a ketone where one of the carbons is bonded to an oxygen that is bonded to something else. A carboxylic acid is where an ester’s oxygen is bonded with a hydrogen. Alcohols are simply an OH group bonded to a carbon.
How do you determine the priority of a functional group?
Compare the molecular mass of the functional groups. About 99\% of the times, the functional group having more molecular mass will have more priority. If you take ketone as =O then treat this thing as an exception.
Why are functional groups numbered in alphabetical order?
Here all the functional groups such as nitro, alkoxy and chloro groups have no priority and always considered as side chains. So the numbering is given based on the lowest sum of locants and prefixes are arranged in alphabetical order. Here is a video on how to remember the priority order in easy way.
How to remember functional groups in nomenclature of organic compounds?
For nomenclature of organic compounds,you need to remember the priority order of the functional groups. I am giving the priority order and as well as a technique to remember it ! For remembering them in a easier way…
Do all functional groups need to act as side chains?
The answer is yes, they require. Even carboxylic acids are top priority groups in few situations they may act as side chains. Let’s take this example. Here, the principle functional groups is carboxylic acid and the parent chain is three carbon chain including two carboxylic acids. So one of the carboxylic acid group is treated as side chain.