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Organic Compounds Containing Nitrogen NEET UG Chemistry NCERT Line-by-Line MCQs with Answers PDF Download: Assertion-Reason Bank (680+ Target)
Grade: NEET UG Medical | Subject: Chemistry | Format: Printable A4 PDF | Status: 100% Solved with Explanations
✓ Curriculum: New NCERT 2026-27
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✓ Answer Key: Complete Step Solutions
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🎯 Curriculum & Exam Overview
Download this high-yield 680+ Assertion-Reason bank for 'Organic Compounds Containing Nitrogen' to master NEET UG 2026-27 Chemistry requirements. These printable worksheets feature NCERT line-by-line MCQs with detailed step-by-step solutions aligned with the latest updated curriculum.
🩺 NTA NEET UG Medical 680+ Strategy
Target 680+ Medical Sprint
NEET UG 2027 Medical Focus: 100% NCERT Line-by-Line Mastery & Speed Accuracy
- 100% NCERT Direct Extraction: Over 95% of NEET Biology and Chemistry questions are direct verbatim statements from NCERT textbooks. Master every table, diagram label, and summary box.
- Assertion-Reason & Statement MCQs: Practice the latest NTA evaluation pattern featuring Statement I vs Statement II and Assertion-Reason pairs.
- Formula Application (No Calculus Traps): In NEET Physics, direct formula substitution, graphical trends, and proportionality carry 85%+ of marks.
- Negative Marking Defense (-1): With top government medical college cut-offs exceeding 650+, zero unforced errors on NCERT recall is mandatory.
🩺 NEET UG Scoring Blueprint & NCERT Line-by-Line Breakdown
📊 Expected Weightage
Expected 4 to 8 marks in CBSE board exam (typically 1-2 MCQs + 1 Short/Long Answer or Case Study).
✍️ Examiner & Scoring Insight
Examiners award partial step marks for identifying reagents, showing intermediate reaction mechanisms (arrow pushing), naming chemical products correctly, and noting reaction conditions like temperature and pressure.
1. 🔬 100% NCERT Line-by-Line Fact Sheet & Trends
1
Basicity of Amines: The electron-donating effect (+I effect) of alkyl groups increases the electron density on the nitrogen atom, thereby increasing basicity.
2
Hofmann Bromamide Degradation: A laboratory method for the preparation of primary amines by treating an amide with bromine in an aqueous or ethanolic solution of sodium hydroxide.
3
Coupling Reactions: Diazonium salts act as electrophiles in reactions with electron-rich aromatic compounds (like phenol or aniline) to form azo dyes, characterized by extended conjugation.
⚡ High-Yield Formula & Reaction Sheet
- Hofmann Bromamide Reaction: R-CONH₂ + Br₂ + 4NaOH → R-NH₂ + Na₂CO₃ + 2NaBr + 2H₂O (Synthesis of primary amines with one carbon less).
- Carbylamine Reaction: R-NH₂ + CHCl₃ + 3KOH (alc.) → R-NC + 3KCl + 3H₂O (Test for primary amines yielding foul-smelling isocyanides).
⚠️ Common Board Trap Alert
Students often fail to distinguish between the basicity order of amines in gas phase versus aqueous phase, as the latter is significantly influenced by solvation effects and steric hindrance.
2. 🎥 Official Video Masterclass
▶ Subscribe @qbnexa_official3. 🩺 NEET UG High-Yield DPP & Statement MCQs
Question 1 • MCQ
🔥 NEET (2018)
4 Mark(s)
Nitration of aniline in strong acidic medium
also gives m-nitroaniline because
(A) inspite of substituents nitro group always
goes to only m-position
(B) in electrophilic substitution reactions
amino group is meta directive
(C) in absence of substituents nitro group
always goes to m-position
(D) in acidic (strong) medium aniline is present
as anilinium ion.
🔬 View NCERT Textbook Verified Solution & Key
Correct Answer: (d)
Explanation:  In acidic medium, aniline is protonated to form anilinium ion which is m-directing. Hence besides para (51%) and ortho (2%), meta product (47%) is also formed in significant yield.
Question 2 • MCQ
🔥 NEET (2008)
4 Mark(s)
In a reaction of aniline a coloured product C was obtained.
The structure of C would be
(A) 
(B) 
(C) 
(D) 
🔬 View NCERT Textbook Verified Solution & Key
Correct Answer: (b)
Explanation: 
Question 3 • MCQ
🔥 NEET (2023)
4 Mark(s)
Identify the product in the following reaction:
(A) 
(B) 
(C) 
(D) 
🔬 View NCERT Textbook Verified Solution & Key
Correct Answer: (a)
Explanation: 
Question 4 • MCQ
🔥 NEET (2013)
4 Mark(s)
On hydrolysis of a ''compound'', two compounds are obtained. One of which one treatment with sodium nitrite and hydrochloric acid gives a product which does not respond to iodoform test. The second one reduces Tollens reagent and Fehling's solution. The ''compound'' is
(A) CH$_{3}$CH$_{2}$CH$_{2}$NC
(B) CH$_{3}$CH$_{2}$CH$_{2}$CN
(C) CH$_{3}$CH$_{2}$CH$_{2}$ON $=$ O
(D) CH$_{3}$CH$_{2}$CH$_{2}$CON(CH$_{3}$)$_{2}$
🔬 View NCERT Textbook Verified Solution & Key
Correct Answer: (a)
Explanation: Hydrolysis of propyl isocyanide (CH$_{3}$CH$_{2}$CH$_{2}$NC) gives CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$ + HCOOH. On treatment with NaNO$_{2}$ and HCl I(CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$) gives CH$_{3}$CH$_{2}$CH$_{2}$OH which does not give iodoform test. II (HCOOH) reduces Tollen’s reagent and Fehling’s solution. 
Question 5 • MCQ
🔥 NEET (2009)
4 Mark(s)
Predict the product.
(A) 
(B) 
(C) 
(D) 
🔬 View NCERT Textbook Verified Solution & Key
Correct Answer: (d)
Explanation: 
4. ❓ Frequently Asked Questions (Exam Strategy)
❓ How many NCERT-based questions come from Organic Compounds Containing Nitrogen NEET UG Chemistry NCERT Line-by-Line MCQs with Answers PDF Download: Assertion-Reason Bank (680+ Target) in NEET UG?
Expect 2 to 4 questions (8 to 16 marks) directly extracted from the rationalized NCERT curriculum for Organic Compounds Containing Nitrogen NEET UG Chemistry NCERT Line-by-Line MCQs with Answers PDF Download: Assertion-Reason Bank (680+ Target).
❓ How can I avoid errors in NEET assertion-reason questions for Organic Compounds Containing Nitrogen NEET UG Chemistry NCERT Line-by-Line MCQs with Answers PDF Download: Assertion-Reason Bank (680+ Target)?
Check whether both statements are independently true, then verify if the reason provides the direct scientific cause for the assertion.
❓ Why is the basicity of aniline less than that of ammonia?
In aniline, the lone pair of electrons on the nitrogen atom is delocalized over the benzene ring through resonance. This reduces the electron density on the nitrogen, making it less available for protonation compared to ammonia.
❓ What is the primary difference between primary and secondary amines in the Carbylamine test?
The Carbylamine reaction is a specific chemical test used exclusively to identify primary amines (aliphatic or aromatic). Secondary and tertiary amines do not undergo this reaction and therefore do not produce the characteristic foul-smelling isocyanide.
❓ How do I approach Assertion-Reason questions for this chapter?
Analyze the Assertion and Reason independently for scientific accuracy based on NCERT text. If both are true, check if the Reason logically explains the mechanism or property described in the Assertion.
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