Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Chemical Sciences Organometallic Compounds
Solid Co2(CO)8 shows infrared CO stretching bands at 1857, 1886, 2001, 2031, 2044, 2059, 2071, and 2112 cm-1. When Co2(CO)8 is dissolved in hexane the carbonyl bands at 1857 and 1886 cm-1 disappear. These changes in the infrared spectrum in hexane are due to.
1
Loss of terminal CO
2
Structural change of Co2(CO)8 involving conversion of terminal CO to bridging CO
3
Dissociation of Co2(CO)8 to Co2(CO)4
4
Structural change of Co2(CO)8 involving conversion of bridging CO to terminal CO
5
Question Not Attempted