Verified Solution • 2025–26 Session moderate

QJEEM17Ch4931: JEE Main 2017 Chemistry - Class 12 JEEM17Ch4931 Solution: [Co 2 (CO) 8 ] displays :

[Co2(CO)8] displays :

Multiple Choice Options

  • A one Co−Co bond, six terminal CO and two bridging CO
  • B one Co−Co bond, four terminal CO and four bridging CO
  • C no Co−Co bond, six terminal CO and two bridging CO
  • D no Co−Co bond, four terminal CO and four bridging CO

Step-by-Step Verified Solution

The structure of [Co2(CO)8] is

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Coordination Compounds Question 247 English Explanation

From the structure, we can see that there is one CO−CO bond, six terminals CO and two bridging CO.

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