Chapter Exam

Chapter 13: Organic Nitrogen Compounds — Online MCQ Test

Q: Which of the following is a nitro compound?

Answer: B. C2H5NO2 — Nitro compounds contain the nitro group, –NO2. C2H5NO2 represents a nitro compound.

Q: Aniline is also called:

Answer: B. Phenylamine — Aniline is the common name for phenylamine, C6H5NH2.

Q: Which reagent is used to convert an aromatic primary amine into a diazonium salt at 0–5 °C?

Answer: A. HCl and NaNO2 — Nitrous acid is generated in situ using NaNO2 and HCl, which diazotizes aromatic primary amines at low temperature.

Q: Which of the following pairs can be distinguished by the azo-dye test?

Answer: C. Nitrobenzene and aniline — Aniline gives a positive azo-dye test through diazotization and coupling, whereas nitrobenzene does not.

Q: Which of the following is the correct product when benzene diazonium chloride is treated with CuCN?

Answer: B. Benzonitrile — This is the Sandmeyer reaction, where the diazonium group is replaced by CN to form benzonitrile.

CHEMISTRY · CLASS 12th · Tamil Nadu State Board

Practice Chapter 13: Organic Nitrogen Compounds with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 12th CHEMISTRY. This chapter covers: Exploring organic nitrogen chemistry this chapter details preparation properties and synthetic uses of nitro compounds amines and diazonium salts. It covers basicity trends and che.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 13: Organic Nitrogen Compounds — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 12th CHEMISTRY — Chapter 13: Organic Nitrogen Compounds, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following is a nitro compound?