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Organic Chemistry PYQ — Page 62

JEE Main Chemistry — Organic Chemistry previous year questions with solutions.

All Organic Chemistry Questions (1783)

Phenol on treatment with $C{O}_{2}$ in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with ${(C{H}_{3}CO)}_{2}$O in the presence of catalytic amount of ${H}_{2}S{O}_{4}$ produces:

2018
hard
mcq

The total number of optically active compounds formed in the following reaction is: ![JEE Main 2018 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a65417cc3fb48d662d0/question_1__q_648b5a65417cc3fb48d662d0__cdn-question-pool.getmarks.app__65KiDUkcJ0VOWzShf9y6N-Dtf-AgBNRj2WqIXk2_Rck.original.fullsiz__2b562e4238_final_ppt_sync.png)

2018
medium
mcq

Among the following compounds, the increasing order of their basic strength is: ![JEE Main 2017 Chemistry, Amines — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Amines/648b5a65417cc3fb48d661da/question_1__q_648b5a65417cc3fb48d661da__cdn-question-pool.getmarks.app__bpdqtkwaufznwhwyqkatbmvromayvctiohyrqwlwnoeogacylg__8a0d2b9500_final_ppt_sync.jpeg)

2017
medium
mcq

Which of the following statements is not true about partition chromatography?

2017
easy
mcq

The major product of the following reaction is: ![JEE Main 2017 Chemistry, Alcohols Phenols and Ethers — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/648b5a65417cc3fb48d66167/question_1__q_648b5a65417cc3fb48d66167__cdn-question-pool.getmarks.app__ec5687b7-76b5-45ff-8717-aca3c47aebc0-image__acc37a6c3f_final_ppt_sync.png)

2017
medium
mcq

The incorrect statement among the following is

2017
easy
mcq

The IUPAC name of the following compound is: ![JEE Main 2017 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a65417cc3fb48d66172/question_1__q_648b5a65417cc3fb48d66172__cdn-question-pool.getmarks.app__cdqamnqgvzkvmzlllfmqpdsmvgenhopzlrnljnxaxdsacpcgum__0044d0cf62_final_ppt_sync.jpeg)

2017
easy
mcq

Which of the following compounds is most reactive to an aqueous solution of sodium carbonate?

2017
medium
mcq

Which of the following compounds will not undergo Friedel Crafts reaction with benzene?

2017
medium
mcq

The major product of the following reaction is: ![JEE Main 2017 Chemistry, Haloalkanes and Haloarenes — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Haloalkanes_and_Haloarenes/648b5a65417cc3fb48d6617c/question_1__q_648b5a65417cc3fb48d6617c__cdn-question-pool.getmarks.app__6e094566-399a-454c-8963-f19035d937f5-image__99ccb95cd2_final_ppt_sync.png)

2017
medium
mcq

The increasing order of the reactivity of the following halides for the ${S}_{N}1$ reaction is ![JEE Main 2017 Chemistry, Haloalkanes and Haloarenes — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Haloalkanes_and_Haloarenes/648b5a65417cc3fb48d6611b/question_1__q_648b5a65417cc3fb48d6611b__cdn-question-pool.getmarks.app__EM0178360__9d4d13841b_final_ppt_sync.jpg)

2017
medium
mcq

The major product expected from the following reaction is: ![JEE Main 2017 Chemistry, Alcohols Phenols and Ethers — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/648b5a65417cc3fb48d6616e/question_1__q_648b5a65417cc3fb48d6616e__cdn-question-pool.getmarks.app__58c35c62-34dc-495b-99ed-9bad02a521ad-image__08dde31904_final_ppt_sync.png)

2017
medium
mcq

In the following reaction sequence: ![JEE Main 2017 Chemistry, Haloalkanes and Haloarenes — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Haloalkanes_and_Haloarenes/648b5a65417cc3fb48d661d8/question_1__q_648b5a65417cc3fb48d661d8__cdn-question-pool.getmarks.app__f1b46c35-dfc0-470e-b3d3-99f9cc8a6d60-image__206664047b_final_ppt_sync.png) Compound $I$ is

2017
medium
mcq

The major product obtained in the following reaction is, ![JEE Main 2017 Chemistry, Haloalkanes and Haloarenes — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Haloalkanes_and_Haloarenes/648b5a65417cc3fb48d66117/question_1__q_648b5a65417cc3fb48d66117__cdn-question-pool.getmarks.app__bde6b1fa-4245-4195-9256-32b45e65afad-05-03-22__086688ba80_final_ppt_sync.png)

2017
medium
mcq

Which of the following, upon treatment with tert-$\mathrm{BuONa}$ followed by addition of bromine water, fails to decolourize the colour of bromine?

2017
medium
mcq

Among the following, the essential amino acid is:

2017
easy
mcq

The major product obtained in the following reaction is ![JEE Main 2017 Chemistry, Aldehydes and Ketones — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Aldehydes_and_Ketones/648b5a65417cc3fb48d66125/question_1__q_648b5a65417cc3fb48d66125__cdn-question-pool.getmarks.app__bdfa659b-1242-476e-bd58-53b784eba5fa-image__5ed1e5d270_final_ppt_sync.png)

2017
medium
mcq

The major product of the following reaction is: ![JEE Main 2017 Chemistry, Haloalkanes and Haloarenes — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Haloalkanes_and_Haloarenes/648b5a65417cc3fb48d6617b/question_1__q_648b5a65417cc3fb48d6617b__cdn-question-pool.getmarks.app__56013609-8135-4c1a-b021-19374fd8f955-image__af729494cd_final_ppt_sync.png)

2017
medium
mcq

The correct sequence of reagents for the following conversion will be ![JEE Main 2017 Chemistry, Aldehydes and Ketones — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Aldehydes_and_Ketones/648b5a65417cc3fb48d6611d/question_1__q_648b5a65417cc3fb48d6611d__cdn-question-pool.getmarks.app__88582d34-6605-4d4f-8e77-4afcf41cca3b-image__d174c001d2_final_ppt_sync.png)

2017
hard
mcq

In the following structure, the double bonds are marked as $I,\mathrm{II},\mathrm{III}$ and $\mathrm{IV}$. ![JEE Main 2017 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a65417cc3fb48d661d5/question_1__q_648b5a65417cc3fb48d661d5__cdn-question-pool.getmarks.app__etkcecsudgzdzgcgnyzfkcutqtmohvipyfwtpfzoqkfrqhqutp__59be0aa070_final_ppt_sync.jpeg) Geometrical isomerism is not possible at the site(s):

2017
easy
mcq

Which of the following compounds will behave as reducing sugar in an aqueous $\mathrm{KOH}$ solution?

2017
medium
mcq

The major product of the following reaction is: ![JEE Main 2017 Chemistry, Hydrocarbons — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Hydrocarbons/648b5a65417cc3fb48d661d9/question_1__q_648b5a65417cc3fb48d661d9__cdn-question-pool.getmarks.app__179853__08e271d7f2_final_ppt_sync.png)

2017
medium
mcq

A compound of molecular formula ${C}_{8}{H}_{8}{O}_{2}$ reacts with acetophenone to form a single cross-aldol product in the presence of base. The same compound on reaction with concentrated $\mathrm{NaOH}$ forms benzyl alcohol as one of the products. The structure of the compound is:

2017
medium
mcq

Which of the following molecules is least resonance stabilized?

2017
medium
mcq