Organic compound

Question 1

What is the colour and smell of aldehyde?

Answer 1

Colourless Liquid and bitter almond smell

Question 2

What is the colour and smell of Phenol?

Answer 2

Light Brown Liquid and carbolic smell

Question 3

What is the colour and smell of aromatic carboxylic?

Answer 3

colourless solid and no characteristic smell

Question 4

What is the colour and smell of aliphatic carboxylic acid?

Answer 4

colourless liquid and vinegar like smell

Question 5

What is the colour and smell of amine?

Answer 5

Dark brown liquid and fishy smell

Question 6

Blue changes to red litmus

Answer 6

1)saturated and aromatic phenol
2)aromatic and saturated carboxylic acid
3)aliphatic and saturated carboxylic acid

Question 7

Red changes to blue litmus

Answer 7

aromatic and unsaturated amine

Question 8

No change to red or blue litmus

Answer 8

saturated and aromatic aldehyde

Question 9

Slow decolourisation
for test for saturation/unsaturation.

Answer 9

saturated and aromatic aldehyde

Question 10

Test for aromaticity

Answer 10

Burns with smoky flame- Aromatic compound.
Burns with non-smoky flame- Aliphatic compound.

Question 11

Test for identification of carboxylic acid

Answer 11

Test with sodium bicarbonate solution

Question 12

Test for the identification of amines

Answer 12

Test with dil. HCl

Question 13

Test for the identification of phenols

Answer 13

Test with neutral FeCl3

Question 14

Test for the identification of carbonyl group

Answer 14

Test with 2,4-DNP

Question 15

Confirmatory test for carbonyl compounds

Answer 15

1. Schiff’s test
   2.Tollen’s test

Question 16

Confirmatory test for Phenols

Answer 16

1.Liebermann’s test
2.Bromine water test

Question 17

Confirmatory test for Amines

Answer 17

1.Carboxylamine test
2.Azo-Dye test

Question 18

Confirmatory test for Carboxylic group

Answer 18

1.Test with NaOH solution
2.Esterfication test