41.

Which of the following compound of xenon does not exists?

• XeF₆

• XeF₄

• XeF₅

• XeF₂

Haber process is used for the production of which of the following?

• NH₃

• HNO₃

• H₂SO₄

• O₃

Which of the following compound is used as a refrigerant?

• CCl4

• CCl₂F₂

• CF₄

• Acetone

The nature of 2, 4, 6-trinitrophenol is

• neutral

• basic

• acidic

• weak basic

Which of the following statement is false?

• 40% solution HCHO is known as formalin

• HCHO is least reactive in its homologous series

• The boiling point of iso-vareladehyde is less than n-varelaldehyde

• The boiling point of ketones are higher than that of aldehydes

Which of the following acids does not contain -COOH group?

• Carbamic acid

• Barbituric acid

• Lactic acid

• Succinic acid

The natural rubber is the polymer of

• 1, 3-butadiene

• polyamide

• isoprene

• None of these

Nylone-66 is a

• polyester

• polyamide

• polyacrylate

• None of the above

The alkaline hydrolysis of ester is known as

• dehydrogenation

• dehydration

• esterification

• saponification

Which of the following compound forms white precipitate with bromine water?

• Nitrobenzene

• Phenol

• Benzene

• All of the above