Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: NET JUNE 2015 · Marks: 2 · Difficulty: Medium
The following statements are given regarding the agostic interaction C-H----Ir observed in $\left[\operatorname{Ir}\left(\mathrm{Ph}_{3} \mathrm{P}\right)_{3} \mathrm{Cl}\right]$.
\[ \begin{array}{l} \text{(A) Upfield shift of C-H proton in }{}^{1}\mathrm{H}\text{ NMR spectrum} \\ \text{(B) Increased acid character of C-H} \\ \text{(C) } \bar{v}_{\mathrm{CO}}\text{ in IR spectrum shifts to higher wavenumber} \end{array} \]