a hexagonal molecule has angles of 120 inside the ring and is flat . the followi

Question

a hexagonal molecule has angles of 120 inside the ring and is flat . the following two molecules are often drawn as flat hexagons but only one is truly flat . which one is it and why xplant wly I is Hecessary to draw a correct Lewis dot diagram before trying to predict the shape of your explanation. 6.27 A hexagonal molecule has angles of 120° inside the ring and is flat. The following two molecules are often drawn as flat hexagons, but only one is truly flat. Which one is it and why? H-C C-H H-C C-H Proteins are long-chain molecules that make up

Explanation / Answer

first one is correct for 120o . in first one each carbon participating in sp2 hybridisation. if carbon participarting in sp2 hybrdisation molecule will give planar structure. and bond angle is 120 degrees.

but in the second molecule carbon is in sp3 hybridisation. for sp3 hybridisation of carbon molecules gets tetrahedreal geometry and bond angle is about 109.5 degree . but in the cyclisation it is deviated .

so correct answer is first molecule

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