Q79 · CSIR-NET Chemistry, December 2019

Paper: CSIR-NET December 2019 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Marks: 2 · Difficulty: Easy

The common heptacity observed for coordination of $\mathrm{C_{60}}$ to a metal center is
(a)2
(b)4
(c)5
(d)6
Answer
Answer: A ✓ checked by 4AB · confidence high

The source book printed no answer; this one was worked out and checked — see the explanation.

Explanation
C₆₀ almost always binds metals η² through one 6,6 ring-junction C=C bond (it behaves like an electron-poor alkene), e.g. (η²-C₆₀)Pt(PPh₃)₂.

Study loop for Main Group Elements

1. Practise the PYQsPrevious-year questions, with answers

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