What does hapticity refer to in organometallic chemistry? A - The chemical potential of the +3 oxidation state of the metal center vs the +1 oxidation state. B - The number of electrons donated to the metal center by a ligand. C- The number of ligands surrounding a metal center. D- The reduction potential of the transition metal center in ... Read more

The cationic model of NO is isoelectronic with CO in formation of …………… [a- σ bond b- π donation c- both a and b d- none] with the metal. Read more

Which of the following complexes show easy oxidation? a) (η5-C5H5)2Fe b) (η5-C5H5)2Ru c) (η5-C5H5)2Co d) (η5-C5H5)2Co+ Read more

Which of the following is the neutral complex which follows the 18- electron rule? a) (η5-C5H5)Fe(CO)2 b) (η5-C5H5)2Mo(CO)3 c) (η5-C5H5)2Co d) (η5-C5H5)2Re(η6-C6H6) Read more

* What is the oxidation state of molybdenum in [η7-tropylium) Mo(CO)3]+? a) +2 b) +1 c) 0 d) -1 Read more

1. What are oxidation states of metal ion in following complexes? I. PdCl2 II. Pd(PPh3)4 III. Pd(OAc)2 IV. ArPdBr where Ar is aryl a) 2, 4, 2, 2 b) 2, 0, 2, 1 c) 2, 0, 2, 2 d) 0, 0, 0, 2 Read more

What valence electron count is usually associated with stability when thinking about transition metal organometallic complexes? A 12 ------------------------- B 14 ------------------------- C 16 ------------------------- D 18 Read more

How many electrons do alkyl groups typically contribute to the valence electron count? A 0 ------------------------- B 1 ------------------------- C 2 ------------------------- D 3 Read more

_WHICH OF THE FOLLOWING COMPOUNDS CONTAINS A SQUARE PLANAR METAL CENTRE?_ _ _ Ni(CO)4 Ir(CO)Cl(PPh3)2 Ni(η3-C3H5)2 Cr(NO)4 Read more

_THE REACTION: MN(CO)5ME + CO __THE REACTION: MN(CO)5ME + CO __THE REACTION: MN(CO)5ME + CO __→__ MN(CO)5(COME) IS AN EXAMPLE OF:__ MN(CO)5(COME) IS AN EXAMPLE OF:__ MN(CO)5(COME) IS AN EXAMPLE OF:_ _ _ a ligand addition a β-elimination an oxidative addition an alkyl migration Read more