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Amines — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
Question
Which compound is different from the others?
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Answer

  1. Methyl ethyl ketone
Explanation:
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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