GIVE IUPAC NAME OF THE OF THE FOLLOWING

(CH3)₂CH-CH=CH₂

ANSWER IS 3-Methylbut-1-ene or 2-Methylbut-3-ene?

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane