1.

Cyclic hydrocarbon molecule A has all the carbon and hydrogens in a single plane. All the carbon-carbon bonds are of same length and less that 1.54 Å but more than 1.34 Å. \[C-C-C\] bond angle will be [CBSE PMT 1989]

A. \[{{120}^{o}}\]
B. \[{{180}^{o}}\]
C. \[{{100}^{o}}\]
D. \[{{109}^{o}}2{8}'\]
Answer» B. \[{{180}^{o}}\]


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