Which of the following functional group on the ring system poisoned th – McqOptions

MCQOPTIONS

1.	Which of the following functional group on the ring system poisoned the Grubb‚Äö√Ñ√∂‚àö√ë‚àö¬•s catalyst for the first time?$
A.	nitrile group
B.	oxygenate groups
C.	sulphate groups
D.	hydrate groups
Answer» B. oxygenate groups

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