Which of the following polymer will not give grey colour when their pyrolytic vapours are tested with a strip of filter paper soaked in saturated solution of o- nitrobenzaldehyde in dilute NaOH?

Which of the following polymer will not give grey colour when their pyrolytic vapours are tested with a strip of filter paper soaked in saturated solution of o- nitrobenzaldehyde in dilute NaOH? Correct Answer Nylon 66

This test is positive only for the polyamides containing diacids other than adipic acid. Nylon 66 contains adipic acid.

Related Questions

Statements : All fishes are grey in colour. Some fishes are heavy.

Conclusions :
I. All heavy fishes are grey in colour.
II. All light fishes are not grey in colour.