Polystyrene

Q. Select the correct option: What type of polymer is $-[-C{H}_2-CH(C_6{H}_5-{]}_n-?$

1. Homopolymer
2. Copolymer
3. Condensation polymer
4. All the above

Q.

The monomer of polystyrene is

1. C₂H₅CH = CH₂

2. H₂C = CH - Cl

3. C₆H₅ - CH = CH₂

4. H₂C = CH - CHO

Q. When 100 g of ethylene polymerises to polyethylene according to the equation . nCH_​2 = CH₂ ---> -(-CH₂-CH₂-)_n- . The weight of polyethylene produced will be :

1. n/2 g
2. 100 g
3. 100/n g
4. 100 ng