Give the IUPAC name for the following ketone and aldehyde?

Question

For part (a) I got 2-pentanone

For part (b) I got 1-butal

Can someone spot-check this for me?

I'm not confident that these are correct.

Thanks guys :-)

Shasta · Answer

1

Trevor H · Answer

First is correct 
For the second you do not call an aldehyde 1- someting as you have done. 
The =O group in an aldehyde can only be on a terminal C  - therefore it is not necessary to specify this 
Answer: butanal.

Jan · Answer

a. correct  (methyl propyl ketone)

b. butanal (butyraldehyde)

Give the IUPAC name for the following ketone and aldehyde?

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