Which of the following is the weakest base?

• Ethyl amine

• Ammonia

• Dimethyl amine

• Methyl amine

The compound that forms a yellow oily liquid with nitrous acid is

• 2-methyl aniline

• methyl amine

• Benzyl amine

• diethyl amine

Iso-propyl amine is a 

• primary amine

• secondary amine

• tertiary amine

• quaternary amine

Which of the following amines gives yellow oily liquid with HNO₃? 

• Ethyl methyl amine

• Aniline

• 3-methyl benzyl amine

• Methyl amine

N-ethyl-N-methylpropan-1-amine is

• 1° amine

• 2° amine

• 3° amine

• 4° amine

How many metamers are possible for molecular formula C₄H₁₁N ?

• 2

• 3

• 4

• 5

Benzaldehyde reacts with ammonia to form

• benzaldehyde ammonia

• urotropine

• hydrobenzamide

• ammonium chloride

498.

Which of the following gives condensation with hydroxyl amine but does not undergo self condensation?

• Methanal

• Propanal

• Acetone

• Ethanal

Which of the following is the strongest base?

Which of the following is the most stable diazonium salt?

• C₆H₅CH₂N${}_2^{+}$X^-

• CH₃N${}_2^{+}$X^-

• CH₃CH₂N${}_2^{+}$X^-

• C₆H₅N${}_2^{+}$X^-