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Amines — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
MCQ
Which compound is different from the others?
  • ✓
    Methyl ethyl ketone
  • B
    Pentan $- 2 -$ one
  • C
    $2 -$ Pentanone
  • D
    Methyl propyl ketone
✓

Answer

Correct option: A.
Methyl ethyl ketone
Methyl ethyl ketone $(\text{CH}_3-\text{ C}-\text{CH}_2-\text{CH}_3)\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}$ is different from the others.
Methyl ethyl ketone $($also called butanone$)$ contains $4C$ atoms.
Pentan$-2-$one$, 2-$pentanone and methyl propyl ketone are different names of same compound $(\text{CH}_3-\text{ C}-\text{CH}_2-\text{CH}_2-\text{CH}_3)\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ||\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{O}$ which contains $5C$ atoms.

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