Question

write IUPAC name for the following structures:
a) CH2=CH-CH=CH2
b) CH3-CH-CH2-OH
'
OH

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Answer 1

Answer:

a)The given compound is called Bute -1,3 diene

b) Not possible

Explanation:

a) The given compound has 4 carbons and has a prefix of 'Bute' .The double bonds gives a suffix 'ene'. Last, due to the presence of 2 double bonds specifically at positions 1,3 (when you name it from either way in this case) we call it as  1,3 di-ene . So in the overall we can name it as bute-1,3 di-ene. )

b) the given compound cannot exist as the valency of carbon atom in position 1 is filled completely by 3 Hydrogen atoms and 1 carbon atom.