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NEET CHEMISTRYMedium

The number of bridging carbonyl groups in [Co2(CO)8][Co_2(CO)_8] and [Mn2(CO)10][Mn_2(CO)_{10}], respectively are:

A

2 and 0

B

2 and 2

C

2 and 4

D

0 and 2

Step-by-Step Solution

According to NCERT, octacarbonyldicobalt(0), [Co2(CO)8][Co_2(CO)_8], features a Co-Co bond bridged by two CO groups, meaning it has 2 bridging carbonyl ligands. On the other hand, decacarbonyldimanganese(0), [Mn2(CO)10][Mn_2(CO)_{10}], consists of two square pyramidal Mn(CO)5Mn(CO)_5 units joined solely by a Mn-Mn bond, without any bridging carbonyl groups. Therefore, the respective numbers of bridging carbonyls are 2 and 0.

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