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MHT CET 202621 AprilMorning Shift
Exam
MHT CET
Year
2026
Date
21 April
Shift
Morning Shift
Subject
Chemistry
Chapter
General Organic Chemistry

MHT CET 2026 · 21 April · Morning Shift · Chemistry · General Organic Chemistry

Which of the following is a gas at room temperature ?

Which of the following is a gas at room temperature ?

Options

  1. APropanal
  2. BAcetaldehyde
  3. CFormaldehyde
  4. DAcetone

Correct answer

C. Formaldehyde

Step-by-step solution

Methanal (formaldehyde) is a gas at room temperature.

Ethanal (acetaldehyde) is a volatile liquid, while other aldehydes and ketones are liquids or solids at room temperature.

Therefore, formaldehyde is the only gas among the given options.

Answer: Formaldehyde
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