1. Tardigrade
  2. Question
  3. Chemistry
  4. Amongst the given options, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any), is/are

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Q. Amongst the given options, the compound(s) in which all the atoms are in one plane in all the possible conformations (if any), is/are

IIT JEEIIT JEE 2011Hydrocarbons

Solution:

In both (b) and (c), all the atoms are present in one single plane
In (a) 1, 3-butadiene, conformational change is possible
between $C_2-C_3 $ bond in which atoms will be present in more
than one single plane.
In (d) allene, the terminals H-C-H planes are perpendicular
to one another.

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