Subject: Organic Chemistry · Chapter: Organic Spectroscopy · Topic: NMR 1H · Exam: NET DEC 2018 · Marks: 2 · Difficulty: Hard
The compound P undergoes a pericyclic reaction under photochemical conditions to give compound $Q$. In compound $Q$, the relative stereochemistry and ${ }^{1} \mathrm{H} \mathrm{NMR}$ chemical shift values of methyl groups (in $\delta \mathrm{ppm}$ ), respectively, are