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Choose the correctly matched pair from the codes given below:
(1) 2-Octanone (A) CH3CH25COCH3
(2) Trimethyl amine (B) CH33CNH2
(3) Acrolein (C) CH2=CHCN
(4) Vinyl acetylene (D) CH 2 =CHCCH

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

HARD
Which one of the following structures has the IUPAC name 3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?