Chemistry Paper 2 Mistakes Flashcards
(3 cards)
1
Q
Which compound is used as a standard for NMR chemical shift measurements?
A
Si(CH3)4, tetramethylsilane (TMS)
2
Q
What is the number of peaks in the proton NMR spectrum of HOOCCH2CHOHCH2COOH?
A
3
3
Q
The rate of hydrolysis of a haloalkane depends on the halogen present.
State and explain how the halogen in the haloalkane affects the rate of hydrolysis.
A
Depends on the bond enthalpy
The weaker the bond the lower the bond enthalpy.
C-F bond hydrolysed the slowest.