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07/02/2022 2:01 pm
Topic starter
Of the three isomeric C3H4 hydrocarbons shown below how many can exist with all carbon and hydrogen nuclei located in a single plane
H2C = C = CH2, \(^{CH}_{CH}>CH_2\), H3C - C ≡ CH
(a) 0
(b) 1
(c) 2
(d) 3
1 Answer
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07/02/2022 2:04 pm
Correct answer: (a) 0
Explanation:
In H2C = C = CH2 hybridisation of C atoms is sp2 and sp. The molecule is monoplanar but H– atoms lie in different planes. See allene structure.