Unit 2 Set 1 Flashcards
1
Q
A
D
2
Q
A
B
The carbonyl group C=O is between 2 carbon atoms
3
Q
A
D
4
Q
A
B
Due to H-bonds being broken and new ones being formed
5
Q
A
A
should know , from Nat 5, that metal hydroxides form salt + water so A is only possible answer
6
Q
A
A
B is ketone
C is carboxylic acid
D is ester
7
Q
A
C
8
Q
A
D
9
Q
A
D
Enzymes are proteins and they are formed from amino acids which all have N atoms in them
10
Q
A
B
11
Q
A
C
A carboxylic acid has formed which must have (in one step) from an alkanal or (in 2 steps) from a primary alkanol.
12
Q
A
B
Although, to balance the charges, there are 3 negative ions in the formula each ion only has 2 carbons in it
13
Q
A
A
The smallest ester (methyl methanoate) would have to contain 2 carbons.
14
Q
A
A
15
Q
A
D
Limescale is mainly carbonates and would need an acid to react with them
