Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Principles of Stereochemistry
What happens to the methine proton signals of chlorocyclohexane at -115°C according to the NMR study?
1
The methine proton signals merge into a single broad singlet at δ4.50 ppm.
2
The methine proton resolves into two sets of signals, with the equatorial proton at δ 4.50 ppm and the axial proton at δ3.80 ppm.
3
The methine proton signals completely disappear at -115°C.
4
The methine proton signals show only broad multiplets at δ 3.80 ppm.
5
Question Not Attempted