question_answer

Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxy- 4-methylhex-3-en-5-ynoic acid is                                                                                                                                      [NEET 2013]

A)

B)  

C)

D)

Correct Answer: B

Solution :

[b] To write the structure of given compound first draw a carbon chain with six carbons. Now add the substituent’s group at mentioned place and a = bond at third C, bond at fifth C and COOH at first carbon. This is the structure of given compound.