Hydrocarbons Question 261
Question: Of the three isomeric $ C_3H_4 $ hydrocarbons shown below how many can exist with all carbon and hydrogen nuclei located in a single plane
Options:
A) 0
B) 1
C) 2
D) 3
Show Answer
Answer:
Correct Answer: A
Solution:
[a] In $ H_2C=C=CH_2 $ hybridisation of C atoms is $ sp^{2} $ and sp.
The molecule is monoplanar but $ H- $ atoms lie in different planes.
See allene structure.
BETA
