The major product Z formed in the following sequence of reactions is : [figure] (X = monochlorinated product)
- C2H5-N=N-OH
- C2H5OH
- C2H5NO2
- C2H5NH2
Previous year questions with solutions · 2000 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 4 | 2 | 2 | 4.44% ▼ 33.3% vs last year |
| 2025 | 3 | 1 | 3 | 6.67% ▲ 33.3% vs last year |
| 2024 | 5 | 2 | 2.5 | 5.00% ▲ 27.5% vs last year |
| 2023 | 2 | 1 | 2 | 3.92% ▼ 1% vs last year |
| 2022 | 4 | 2 | 2 | 3.96% ▼ 1% vs last year |
| 2021 | 2 | 1 | 2 | 4.00% ▲ 80% vs last year |
| 2020 | 1 | 1 | 1 | 2.22% same as last year |
| 2019 | 1 | 1 | 1 | 2.22% same as last year |
| 2018 | 1 | 1 | 1 | 2.22% ▼ 50% vs last year |
| 2017 | 2 | 1 | 2 | 4.44% ▲ 33.3% vs last year |
| 2016 | 3 | 2 | 1.5 | 3.33% same as last year |
| 2015 | 3 | 2 | 1.5 | 3.33% ▼ 25% vs last year |
| 2014 | 2 | 1 | 2 | 4.44% ▲ 31.9% vs last year |
| 2013 | 3 | 2 | 1.5 | 3.37% ▲ 169.7% vs last year |
| 2012 | 1 | 2 | 0.5 | 1.25% ▼ 74.7% vs last year |
| 2011 | 4 | 2 | 2 | 4.94% ▼ 1.2% vs last year |
| 2010 | 4 | 2 | 2 | 5.00% ▲ 155% vs last year |
| 2009 | 1 | 1 | 1 | 1.96% same as last year |
| 2008 | 1 | 1 | 1 | 1.96% ▼ 2% vs last year |
| 2007 | 1 | 1 | 1 | 2.00% ▼ 50% vs last year |
| 2006 | 2 | 1 | 2 | 4.00% ▼ 33.3% vs last year |
| 2005 | 3 | 1 | 3 | 6.00% ▲ 188% vs last year |
| 2004 | 1 | 1 | 1 | 2.08% ▲ 2.1% vs last year |
| 2003 | 1 | 1 | 1 | 2.04% ▲ 2% vs last year |
| 2002 | 1 | 1 | 1 | 2.00% ▲ 2% vs last year |
| 2001 | 1 | 1 | 1 | 1.96% same as last year |
| 2000 | 1 | 1 | 1 | 1.96% |
The major product Z formed in the following sequence of reactions is : [figure] (X = monochlorinated product)
Select the reagents that reduce nitriles to primary amines. Choose the correct answer from the options given below.
Given below are two statements: In light of the above statements, choose the most appropriate answer from the options given below.
Identify the reactions which give aniline as the major product. Choose the correct answer from the options given below.
The correct order of decreasing basic strength of the given amines is:
Predict the major product 'P' in the following sequence of reactions- [figure]
Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:
Identify the major product C formed in the following reaction sequence : CH3-CH2-CH2-I NaCN A [Partial hydrolysis]OH- B [Br2]NaOH (major)C
The major product X formed in the following reaction sequence is : [figure]
The major product D formed in the following reaction sequence is : [figure]
The compound that does not undergo Friedel-Crafts alkylation reaction but gives a positive carbylamine test is :
Identify the product in the following reaction: [figure]
Which of the following reactions will NOT give primary amine as the product?
Given below are two statements In the light of the above statements, choose the most appropriate answer from the options given below.
The product formed from the following reaction sequence is [figure]
The product formed from the following reaction sequence is : [figure]
Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.
The reagent 'R' in the given sequence of chemical reaction is : [figure]
Which of the following amine will give the carbylamine test?
The correct order of the basic strength of methyl substituted amines in aqueous solution is :
Nitration of aniline in strong acidic medium also gives m-nitroaniline because
The correct increasing order of basic strength for the following compounds is [figure]
Which of the following reactions is appropriate for converting acetamide to methanamine?
The correct statement regarding the basicity of arylamines is
Which one of the following nitro-compounds does not react with nitrous acid?
A given nitrogen-containing aromatic compound 'A' reacts with Sn/HCl, followed by HNO2 to give an unstable compound 'B'. 'B', on treatment with phenol, forms a beautiful coloured compound 'C' with the molecular formula C12H10N2O. The structure of compound 'A' is
The following reaction [figure] is known by the name
Method by which aniline cannot be prepared is
The electrolytic reduction of nitrobenzene in strongly acidic medium produces