Question Detail

CHM 102 Qualitative and Quantitative Analysis in Organic Chemistry Objective Question
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Question

What is the approximate IR absorption range for a carbonyl (C=O) group?
Options
A 3200-3600 cm⁻¹
B 2800-3100 cm⁻¹
C 1700 cm⁻¹
Correct Answer
D 3300 cm⁻¹
Correct Answer

Option C is the correct answer.

Detailed Explanation

The carbonyl (C=O) stretching vibration appears strongly around 1700 cm⁻¹, varying slightly with conjugation and substitution.

Hint

Strong peak near 1700.

Question Info

Course: CHM 102
Topic: Qualitative and Quantitative Analysis in Organic Chemistry
Type: Objective
Difficulty: Not specified
Question 835 of 1999
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