Advertisements
Advertisements
Question
Write a note on aldol condensation.
Solution
Aldol Condensation : -
When aldehyde or ketone containing α -hydrogen atom is warmed with dilute alkali like dil. NaOH then condensation reaction takes place, a β -hydroxy aldehyde or β -hydroxyl ketones is obtained and the reaction is called as Aldol condensation.
APPEARS IN
RELATED QUESTIONS
Which of the following is a fibre? Nylon, neoprene, PVC
Write the names of monomers of the following polymers.
How is dacron obtained from ethylene glycol and terephthalic acid?
How are the following polymers prepared?
Orlon
Write the name of the monomer of the following polymer:
Bakelite
Write the name of the monomer of the following polymer:
Nylon – 2 – Nylon – 6
Write the structures of monomers used the following polymers:
Nylon - 6, 6
Which of the following polymers can have strong intermolecular forces?
(i) Nylon
(ii) Polystyrene
(iii) Rubber
(iv) Polyesters
Which factor imparts crystalline nature to a polymer like nylon?
Acetic acid is added in the preparation of nylon-6 to
Which of the following polymer is used for making phonograph records?
A raw material used in making nylon is
Perion is
Nylon is a
Melamine is
Nylon – 6 is made from
Which is used for the formation of nylon – 6?
The polymer formed on heating Novolac with formaldehyde is ______.
The polymer formed on heating Novolac with formaldehyde is ______.
Match List - I with List - II:
| List - I (Polymer) |
List - II (used for items) |
||
| (A) | Nylon 6, 6 | (I) | Buckets |
| (B) | Low density polythene | (II) | Non-stick utensils |
| (C) | High density polythene | (III) | Bristles of brushes |
| (D) | Teflon | (IV) | Toys |
Choose the correct answer from the options given below:
