# When bromine is added to an alkane, why does the solution become colourless? When bromine is added to an alkene, why does the solution remain brown?

Then teach the underlying concepts
Don't copy without citing sources
preview
?

#### Explanation

Explain in detail...

#### Explanation:

I want someone to double check my answer

2
SCooke Share
Feb 19, 2018

The change in structure from a diatomic $B {r}_{2}$ to an ionic or polar covalent $B r - C - R$ bond changes the light adsorption/reflection wavelength.

#### Explanation:

You have the reactions reversed. Bromine reacts with ALKENES, not Alkanes.

This effect is also seen with other halogens, most notably Iodine.

• 16 minutes ago
• 27 minutes ago
• 31 minutes ago
• 31 minutes ago
• A minute ago
• 2 minutes ago
• 3 minutes ago
• 4 minutes ago
• 7 minutes ago
• 15 minutes ago
• 16 minutes ago
• 27 minutes ago
• 31 minutes ago
• 31 minutes ago