21.

Assertion : Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason : The reaction between nitrogen and oxygen requires high temperature.

• Both assertion and reason are correct, but the reason is not the correct explanation for the assertion

• Both the assertion and reason are incorrect but the reason is not the correct explanation for the assertion.

• The assertion is incorrect, but the reason is correct

• The assertion is incorrect, but the reason is correct

Which of the following compounds will exhibit geometrical isomerism?

• 1-phenyl-2-butene

• 3-phenyl-1-butene

• 2-phenyl-1-butene

• 2-phenyl-1-butene

Which of the following compounds is not coloured yellow?

• Zn₂[Fe(CN)₆]

• K₃[Co(NO₂)₆]

• (NH₄)₃[As(Mo₃O₁₀)₄]

• (NH₄)₃[As(Mo₃O₁₀)₄]

Which compound would give 5-keto-2-methyl hexanal upon ozonolysis?

The synthesis of alkyl fluorides is best accomplished by

• free radical fluorination

• Sandmeyer's reaction

• Finkelstein reaction

• Finkelstein reaction

In the following sequence of reaction,

The Product C is

• C₆H₅COOH

• C₆H₅CH₃

• C₆H₅CH₂OH

• C₆H₅CH₂OH

In the reaction,


The product E is

Which polymer is used in the manufacture of paints and lacquers?

• Bakelite

• Glyptal

• Polypropene

• Polypropene

Which of the vitamins given below is water soluble?

• Vitamin C

• Vitamin D

• Vitamin E

• Vitamin E

Which of the following compound is not an antacid?

• Aluminium hydroxide

• Cimetidine

• Phenelzine

• Phenelzine