OCR Chemistry Paper 2 Exam Questions & Answers





describe the structure of Benzene - ANSWERS• a cyclic hydrocarbon with 6 carbon, and 6 hydrogen atoms.

• the bond angle and shape around each carbon is 120' trigonal planar.

• each C has 4 outer shell electrons;



- 3 of these bond to 2 other carbon atoms, and 1 to a hydrogen atom. - these form a Sigma bond. - a fourth outer shell electron in the 2p orbital is left behind above and below the planes of the carbon atoms.



• the e...
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