Question

How many of the following do not have plane of symmetry. Please refer the image.​

Answer 1

Answer:

2nd and 3rd diagram do not have plane of symmetry

Explanation:

A plane of symmetry is an imaginary plane that bisects a molecule into halves that are mirror images of  each other .

Here we can see that  In 1st and 4th diagram ,  that the imaginary plane bisects the molecules into halves.

But 2nd and 3rd diagram , while the imaginary plane bisects the molecules into halve than there aren't mirror any reflect photograph of each  other.

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