Question Detail

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

Question

In mass spectrometry, what is indicated by equal M and M+2 peaks (1:1 ratio)?
Options
A Presence of chlorine
B Presence of bromine
Correct Answer
C Presence of oxygen
D Presence of fluorine
Correct Answer

Option B is the correct answer.

Detailed Explanation

Bromine has two isotopes, Br-79 and Br-81, of nearly equal abundance, giving nearly equal M and M+2 peaks.

Hint

Br-79 and Br-81 ~50% each.

Question Info

Course: CHM 102
Topic: Qualitative and Quantitative Analysis in Organic Chemistry
Type: Objective
Difficulty: Not specified
Question 842 of 1999
Previous Course Details Next