Question

Exercise-9 change the underlined phrases with single words chosen from the box :-
(sometimes,
now,
angrily,
briefly,
annually,
suddenly,
everywhere,
immediately,
punctually,
soon)
1. She looked in all places for her lost keys.
2. You will hear from her in a short time.
3. All of a sudden, the stranger took out his revolver and fired at him.
4. Now and then I have letters from my sister.
5. She shouted in an angry manner.
6. Please come here without delay.
7. Diwali is celebrated once a year.
8. The train arrived at the fixed time.
9. Can you explain your plan in a few words?
10. Where is your mother living at the present time?
Change the underlined phrases with single words chosen from the box :-
plz give answer quickly ​

Answer 1

Answer:

In the compound both ketone and the carboxylic group is present. Priority is given to carboxylic group at C-1, and the ketonic group at C-3 is treated as a substituent. Thus the prefix used is "keto" and the suffix used is "oic acid".

Thus IUPAC name is 3-ketobutanoic acid

Answer 2

. She looked in all Everywhere for her lost keys.