Determining the pKa of P-Nitrophenol Flashcards
1
Q
When is p-nitrophenol colourless ?
A
At acidic pH
2
Q
Why is p-nitrophenol colourless at acidic pH ?
A
Does not absorb in the visible region of the electromagnetic spectrum
3
Q
What pH is p-nitrophenolate ion yellow ?
A
Alkaline
4
Q
How is a buffer prepared ?
A
By mixing a weak acid with its conjugate base
5
Q
What is the beer lambert law ?
A
A=ECL
