Calcium carbonate reacts with 2-hydroxypropanoic acid to form product Y.
Fig. 1.1
i)
Identify the two other products of the reaction of 2-hydroxypropanoic acid with calcium carbonate.
[1]
Two possible methods of making 2-hydroxypropanoic acid are shown in Fig. 1.2.
Fig. 1.2
ii)
State suitable reagents and conditions for reactions 1 and 3.
reaction 1 .......................................................................
reaction 3 ........................................................................
[4]
iii)
Deduce the type of reaction that occurs in reaction 2.
[1]
iv)
The reagent for reaction 4 is NaBH4.
Identify the role of NaBH4 in this reaction.
[1]
v)
2-hydroxypropanoic acid has a chiral centre.
State what is meant by chiral centre.
[1]