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← JEE Advanced 2015 · Paper 2
ChemistryInteger+4Question 23 of 60

JEE Advanced 2015 · Paper 2, Chemistry question 23

In the complex acetylbromidodicarbonylbis(triethylphosphine)iron(II), the number of Fe-C bond(s) is

Answer and worked solution

Official answer: 3

Ligands. The complex is [Fe(COCHX3)Br(CO)X2(PEtX3)X2]\ce{[Fe(COCH3)Br(CO)2(PEt3)2]}. It has Fe-C bonds to:

  • the acetyl carbon (1);
  • the two carbonyl carbons (2).

The phosphines bond through P.

Answer: 3

Topics:Metal carbonyls and EAN ruleNomenclature
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