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8.1. Organic chemistry Nomenclature of organic compounds — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry8.1. Organic chemistry Nomenclature of organic compounds1 Mark
MCQ
The $IUPAC$ name for the compound :-
  • A
    Propylene oxide
  • B
    $1, 2$ -Oxopropane
  • ✓
    $1, 2$ -Epoxypropane
  • D
    $1, 2$ -Propoxide
✓

Answer

Correct option: C.
$1, 2$ -Epoxypropane
c
As per IUPAC cyclic ether use prefix epoxy followed by alkane. The epoxy group lies on $1^{st}$ and $2^{nd}$ carbon. The longest chain is of three carbons. Hence, the name $1,2$-Epoxy propane.

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