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KCC's Quizzes AQQ247 about Chiral Molecules

Dear Brainstormers,

This week quiz is on a domain that is totally different with what we, actors in electronics, use to see...

It is related to atoms arrangement in molecules, and more particularly in cases of chirality.

Molecules having the same atoms, connected in the same way, having the same apparent chemical functions can, sometime, be different! Such molecules are called chiral. They can interact differently with light or with other components.

Take the following examples:

The usual trick used is when the image of the chiral molecule cannot be superposed (like our left and right hands): the molecule is chiral.

 Question: on the 7 following products, which ones are chiral and which are not (a-chiral):

 

Good luck!



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[edited by: StephenV at 8:13 PM (GMT -5) on 8 Nov 2023]
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  • Many thanks Viktor for your feedback! You are very close to be 100% right. But molecule 7 is also chiral! This amazing because it looks identical to molecule 5 which is a-chiral. If you mirror molecule 7, it is impossible to match it with its original image.... This quiz is indeed confusing our brain....