From db5b8c35cdc6d6858bef9a03e8ebded2d1fdbe8f Mon Sep 17 00:00:00 2001 From: Andrew Lorimer Date: Thu, 19 Sep 2019 16:56:52 +1000 Subject: [PATCH] [chem] corrections & addition on chiral molecules --- chem/organic-2.md | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/chem/organic-2.md b/chem/organic-2.md index 5616416..f47f267 100644 --- a/chem/organic-2.md +++ b/chem/organic-2.md @@ -64,6 +64,12 @@ Alkynes: \ce{C_{$n$} H_{$2n-2$}} + **Cis** - same horizontal plane (symmetrical) + **Trans** - diagonal (asymmetrical) +### Chiral molecules + +- Not superimposable +- Four different groups on C atom +- Also called enantiomers + \begin{center}\setlength\tabcolsep{1cm} \begin{tabularx}{0.5\textwidth}{cc} cis & trans \\ @@ -73,7 +79,7 @@ Alkynes: \ce{C_{$n$} H_{$2n-2$}} ## Flash point -Lowest temperature at which the liquid gives off enough vapour to be ignited. Flammable $\implies$ flash point > 37.8 \degree C. +Lowest temperature at which the liquid gives off enough vapour to be ignited. Flammable $\implies$ flash point < 37.8 \degree C. ## Reactions -- 2.47.1