Question : Which of the following is a primary arylamine in which an amino functional group is substituted for one of the benzene hydrogens?
Option 1: Quinoline
Option 2: Aniline
Option 3: Pyridine
Option 4: Toluidine
Correct Answer: Aniline
Solution : The correct answer is aniline.
One of the benzene hydrogens in aniline is replaced with an amino functional group, making it a primary arylamine. At room temperature, it does not evaporate quickly. The majority of organic solvents combine easily with aniline, which is just mildly soluble in water.
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Question : The chemical name of Gammexane is:
Option 1: Toluene
Option 2: Chloro Benzene
Option 3: Aniline
Option 4: Benzene Hexachloride
Question : Karl Landsteiner is known for the discovery of which one of the following?
Option 1: Crescograph
Option 2: Radioactivity
Option 3: Blood group
Option 4: X-rays
Question : Under which pardoning power of the president, one form of punishment is substituted by a lighter form?
Option 1: Commutation
Option 2: Remission
Option 3: Respite
Option 4: Reprieve
Question : Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?
Option 1: Helium
Option 2: Nitrogen
Option 3: Oxygen
Option 4: Hydrogen
Question : Which of the following is not an example of an amphibian?
Option 1: Frog
Option 2: Sea horse
Option 3: Salamander
Option 4: Toad
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