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JEE Main 2023 · 29 Jan · Shift 1 · numerical answer

JEE Main 2023 Chemistry question on Coordination Compounds

The sum of bridging carbonyls in W(CO)6\text{W(CO)}_6 and Mn2(CO)10\text{Mn}_2\text{(CO)}_{10} is ________
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Answer: 00

Solution

W(CO)₆ is a mononuclear complex — bridging CO is impossible with a single metal center, so it has 0 bridging carbonyls. Mn₂(CO)₁₀ has a direct Mn–Mn bond with all 10 CO groups in terminal positions (5 on each Mn, in a staggered arrangement), giving 0 bridging carbonyls. Sum = 0 + 0 = 0.

[JEE Main 2023 · 29 Jan · Shift 1]

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