Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Characterisation of Inorganic Compounds Mass Spectrometry
An organic compound exhibits the [M]+, [M + 2]+ and [M + 4]+ peaks in the intensity ratio 1 ∶ 2 ∶ 1 in the mass spectrum, and shows a singlet at δ 7.49 in the 1H NMR spectrum in CDCl3.The compound is :
1
1, 4 - dichlorobenzene
2
1, 4 - dibromobenzene
3
1, 2 - dibromobenzene
4
1, 2-dichlorobenzene
5
Question Not Attempted