Org 2

Question 1

Optical isomers (enantiomers)

Answer 1

Similar physical and chemical properties but rotates polarised light diff.

Question 2

Racemic mixture

Answer 2

Mixture 50:50 of reach enantiomer
No light passes through

Question 3

Test for aldehyde

Answer 3

Tollen’s silver mirror
Fehling’s blue to brick red ppt

Question 4

Aldehyde to primary alcohol

Answer 4

Reduction
Nucl. Add.
NaBH4 in aq solution

Or

KCN (highly poisonous)

Question 5

Ketone to secondary alcohol

Answer 5

Reduction
Nucl. Add.
NaBH4 in aq solution

Or

KCN

Question 6

Test for both aldehyde or ketone

Answer 6

2,4-DNP
+be result = yellow-orange ppt

Question 7

Carbo. Acid to primary alcohol

Answer 7

Reduction
LiAlH4 in dry ether

Question 8

Corbo. Acid to ester

Answer 8

Add alcohol