Aromatics And Amines Flashcards
What is the hydrogenation value for cyclohexa13diene and why (3)
-239 to -121
It is more stable because some overlap of p orbitals so delocalised electrons
How do hydrogen bonds from between polypeptide chains
The electron deficient H+ in the nitrogen attracts the lone pair on oxygen of C=O
Which structures are secondary
Which one is tertiary
Alpha helix and beta pleated
Disulphide bridge
How do amines react with water
And why
What type of reaction is it
Accept a proton
They are bases
Reversible (not strong base)
Why is benzene a planar molecule
The c c bonds are all the same length and
All have bond angle between a CC single bond and cc double bond
Why is benzen toxic
It is carcinogenic
Why so methylbenzene not reactive than Benz e
Methyl group releases electrons into delocalised system which makes it more attractive to electrophiles
Equation for nitrobenzene electrophiles
Hno3 and h2so4
No2+
Hso4-
Water
