Need chemistry help please Watch

Vorsah
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Which of these does not react with Na2CO3 (aq) and 2-4 dinitrohydrazine (2-4 DNP)

1) primary alcohol
2) secondary alcohol
3) tertiary alcohol
4) aldehyde
5) ketone
6) ester

Also whichever one out of 1,2,3,4,5,6 reacts with 2-4 DNP, and Na2CO3. What observations would you see?

Thanks.
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Nirgilis
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This is Brady's test, if that points you in the right direction
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Vorsah
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I need help drawing the skeletal formula of HCOOC2H5 and CH3COOCH3?
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