Organic Compounds Containing Nitrogen  MCQs

MCQs of Organic Compounds Containing Nitrogen

Showing 71 to 80 out of 139 Questions
71.
By which reaction can 1° amine be converted into 3° amine ?
(a) Acetylation
(b) Alkylation
(c) Ammonolysis
(d) Reduction
Answer:

Option (b)

72.
Which of the following compounds will give alcohol with nitrous acid ?
(a) R2NH
(b) R3N
(c) R-NH2
(d) RCONH2
Answer:

Option (c)

73.
An organic amine with molecular formula C3H9N gives carbylamine test. It is soluble in dilute HCl. When it reacts with nitrous acid, N2 gas is produced and alcohol is obtained as the product. What is this amine ?
(a) (CH3)3N
(b) CH3CH2NHCH3
(c) CH3CH2CH2NH2
(d) None of the above
Answer:

Option (c)

74.
Which of the following is Gattermann reaction ?
(a) Ar . N2+Cl- CuCl + HCl Ar . Cl + N2 + HCl
(b) Ar . N2+Cl- HClCu Powder Ar . Cl + N2 + CuCl
(c) Ar . N2+Cl- KI Ar . I + N2 + KCl
(d) Ar . N2+BF4-  Ar . F + BF3 + N2
Answer:

Option (b)

75.
Identify X and Y in the following reaction. CH3CONH2 H2OLiAlH4 X NaNO2 + HCl Y
(a) X = ethanamine, Y = ethyl ammonium chloride
(b) X = ethanamine, Y = ethanol
(c) X = ethanol, Y = ethanamine
(d) X = ethyl chloride, Y = nitroethane
Answer:

Option (b)

76.
An organic compound 'X' is heated with Br2 + NaOH to give the product 'Y'. When 'Y' is reacted with benzoyl chloride in presence of pyridine base, the product N-phenyl benzamide is obtained. Identify 'X' and 'Y'.
(a) X = acetamide, Y = ethanamine
(b) X = aniline, Y = p - bromoaniline
(c) X = benzamide, Y = aniline
(d) X = aniline, Y = acetanilide
Answer:

Option (c)

77.
What is the number of moles of Br2 required to react with 93 g. aniline so that 2,4,6-tribromoaniline is produced ?
(a) 1
(b) 2
(c) 3
(d) 6
Answer:

Option (c)

78.
(i) Amine NaNO2 + HCl (ii) Red P/2HI Ethane Identify respectively (i) and (ii).
(a) Methanamine, ethanol
(b) Ethanamine, ethanol
(c) Ethanamine, ethylcyanide
(d) Aniline, benzene diazonium chloride
Answer:

Option (b)

79.
Which of the following reagents is used in Sandmeyer reaction ?
(a) Cu2Cl2 + HCl
(b) CHCl3 + KOH
(c) NaNO2 + HCl
(d) SnCl2 + HCl
Answer:

Option (a)

80.
C6H5NH2 NaNO2/HCl X dil. H2SO4H2O Y. Identify the product Y in the above reaction.
(a) C6H5N2Cl
(b) C6H5OH
(c) C6H5NHOH
(d) C6H6
Answer:

Option (b)

Showing 71 to 80 out of 139 Questions