Quiz 4

Question 1

Why should Part C be performed in a fume hood?

Answer 1

students shouldnt breath in chloroform

Question 2

1 M solution of styrene dissolved in toluene is stable for a much longer period than a sample of pure styrene. The reason for this facti is :

Answer 2

concen of styrene is lower in the toluene soln than in pure styreen so all bimol polymerization steops occur more slowly.

Question 3

why is nylon-6,10 an alternating copolymer and not a homopolymer?

Answer 3

bc its made from two polymers.

Question 4

what caused the granular polystyrene to form styrofoam when it was placed in boiling water?

Answer 4

gaseous water molecules will be added to polystyrene and forms styrofoam

Question 5

if the same amount of sebacoyl chloride, 1,6-hexanediamine and sodium hydroxide were combined , but the solvent was used to afford a homogenous reaction mixture would the yield of the polymer increase decrease or stay the same?

Answer 5

decrease