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How do you draw and name all isomers of #C_3H_4Cl_2#?

Answer 1

Brooklyn Barber

You first draw the parent compound propene #C_3H_6#

Here there are only two possibilities to replace two #H#'s:

Both on the same #C# 1,1-dichlorocyclopropane

On two neighbouring #C#'s 1.2-dichlorocyclopropane

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Answer 2

Brooklyn Barber

To draw and name all isomers of C3H4Cl2, we first identify the structural possibilities:

1,1-dichloropropane
1,2-dichloropropane (also known as propylene dichloride)
2,2-dichloropropane

These are the three possible isomers of C3H4Cl2.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.