Q.1
Electrophilic substitution reaction of pyridine is most effective in which of the conditions?
  • a) In slightly acidic conditions
  • b) In slightly basic conditions
  • c) In neutral medium
  • d) In vigorous conditions
Q.2
Which of the following electrophilic substitution reaction is not possible in pyridine?
  • a) Nitration
  • b) Sulphonation
  • c) Bromination
  • d) Friedel craft reaction
Q.3
At which position of pyridine electrophilic substitution reaction is most preferred?
  • a) First
  • b) Second
  • c) Third
  • d) Forth
Q.4
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers4.jpg
  • a) 3- Nitropyridine
  • b) 2- Nitropyridine
  • c) 4- Nitropyridine
  • d) 2,4- dinitropyridine
Q.5
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers5.jpg
  • a) 3- bromopyridine
  • b) 2- bromopyridine
  • c) 2- bromopyridine and 3- bromopyridine
  • d) 3- bromopyridine and 3,5- dibromo pyridine
Q.6
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers6.jpg
  • a) 3- pyridinesulphonic acid
  • b) 2- pyridinesulphonic acid
  • c) 4- pyridinesulphonic acid
  • d) 2,4- pyridinedisulphonic acid
Q.7
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers7.jpg
  • a) 3- methyl-pyridine-5-sulphonic acid
  • b) 3- methyl-pyridine-4-sulphonic acid
  • c) 3- methyl-pyridine-6-sulphonic acid
  • d) 3- methyl-pyridine-1-sulphonic acid
Q.8
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers8.jpg
  • a) 5- bromo-2-aminopyridine
  • b) 3- bromo-2-aminopyridine
  • c) 4- bromo-2-aminopyridine
  • d) 6- bromo-2-aminopyridine
Q.9
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers9.jpg
  • a) 2- Nitro-3-aminopyridine
  • b) 4- Nitro-3-aminopyridine
  • c) 5- Nitro-3-aminopyridine
  • d) 6- Nitro-3-aminopyridine
Q.10
Which of the following is the product for the below reaction?
Questionorganic-chemistry-questions-answers10.jpg
  • a) 4-amino -pyridine-5-sulphonic acid
  • b) 4- amino -pyridine-3-sulphonic acid
  • c) 4- amino -pyridine-6-sulphonic acid
  • d) 4- amino -pyridine-2-sulphonic acid
0 h : 0 m : 1 s