Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: NET DEC 2015 · Marks: 2 · Difficulty: Medium
The ${}^{1}\mathrm{H}$ NMR spectrum of $\left[\mathrm{Ru}\left(\eta^{4}-\mathrm{C}_{8} \mathrm{H}_{8}\right)(\mathrm{CO})_{3}\right]$ at $23^{\circ}\mathrm{C}$ consists of a sharp single line. The number of signals observed at low temperature ($-140\,{}^{\circ}\mathrm{C}$) in its spectrum is