Skip to main content

Organic Chemistry PYQ — Page 68

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

All Organic Chemistry Questions (1783)

The Wurtz-Fittig reaction involves condensation of:

2013
easy
mcq

Formaldehyde can be distinguished from acetaldehyde by the use of :

2013
medium
mcq

Synthesis of each molecule of glucose in photosynthesis involves

2013
easy
mcq

Natural glucose is termed D-glucose because :

2013
medium
mcq

The order of stability of the following carbocations: ![JEE Main 2013 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65b81/question_1__q_648b5a63417cc3fb48d65b81__cdn-question-pool.getmarks.app__a1eb7fae-a347-440f-a124-fceda02f016c-image__ca41203249_final_ppt_sync.png)

2013
hard
mcq

Which of the following reagent(s) used for the conversion? ![JEE Main 2013 Chemistry, Alcohols Phenols and Ethers — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Alcohols_Phenols_and_Ethers/648b5a63417cc3fb48d65cf1/question_1__q_648b5a63417cc3fb48d65cf1__cdn-question-pool.getmarks.app__Fp0GN9LN3Jxip66eKN4cCQSDNhYuSxuEMAwuq_gz5po.original.fullsiz__d43c01a69f_final_ppt_sync.png)

2013
medium
mcq

Clemmensen reduction of a ketone is carried out in the presence of :

2013
medium
mcq

Monocarboxylic acids are functional isomers of:

2013
easy
mcq

The IUPAC name of the following compound is ![JEE Main 2012 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65a68/question_1__q_648b5a63417cc3fb48d65a68__cdn-question-pool.getmarks.app__CGzwkN40D_N64dNwXz6o3aQ4vbIJNJSJRZU_eY579hs.original.fullsiz__c1d1ce43b8_final_ppt_sync.png)

2012
easy
mcq

In the given transformation, which of the following is the most appropriate reagent? ![JEE Main 2012 Chemistry, Aldehydes and Ketones — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/Aldehydes_and_Ketones/648b5a63417cc3fb48d65b30/question_1__q_648b5a63417cc3fb48d65b30__cdn-question-pool.getmarks.app__QbYIeXE0ieMpoHkLlkRhatE3H_ovt-YLOj8ITsmgezQ.original.fullsiz__9946d13d32_final_ppt_sync.png)

2012
hard
mcq

The most basic compound among the following is

2012
medium
mcq

The conversion of benzene diazonium chloride to bromobenzene can be accomplished by

2012
medium
mcq

Which branched chain isomer of the hydrocarbon with molecular mass $72 \mathrm{~u}$ gives only one isomer of mono substituted alky halide?

2012
easy
mcq

In the below mentioned compounds the decreasing order of reactivity towards electrophilic substitution is (i) ![JEE Main 2012 Chemistry, General Organic Chemistry — question figure 1](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65a1d/question_1__q_648b5a63417cc3fb48d65a1d__cdn-question-pool.getmarks.app__SjlNOtdLF7HCFSbHsJWZ1tnjH-rZQm5kpioGGWWnF5c.original.fullsiz__454c8aa79a_final_ppt_sync.png) (ii)![JEE Main 2012 Chemistry, General Organic Chemistry — question figure 2](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65a1d/question_2__q_648b5a63417cc3fb48d65a1d__cdn-question-pool.getmarks.app__ml7oX488eyd984vkY34TgyaVGA9slye_bsheS8BFOtg.original.fullsiz__487dbb858e_final_ppt_sync.png) (iii)![JEE Main 2012 Chemistry, General Organic Chemistry — question figure 3](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65a1d/question_3__q_648b5a63417cc3fb48d65a1d__cdn-question-pool.getmarks.app__0N-MY_hyHjlKbStZQeS9Vskwy3qGQxdfDETLXTHTCE.original.fullsize__0630a27df1_final_ppt_sync.png) (iv)![JEE Main 2012 Chemistry, General Organic Chemistry — question figure 4](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65a1d/question_4__q_648b5a63417cc3fb48d65a1d__cdn-question-pool.getmarks.app__O0tRRvUJ3lVXAF1xjpici_M8qCLR9QYULRaZlrQlQlQ.original.fullsiz__f928522f3b_final_ppt_sync.png)

2012
medium
mcq

Among the following the order of reactivity towards nucleophilic addition is

2012
medium
mcq

Tollen's reagent and Fehling solutions are used to distinguish between

2012
easy
mcq

In the following compounds: ![JEE Main 2012 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65abd/question_1__q_648b5a63417cc3fb48d65abd__cdn-question-pool.getmarks.app__zm7hgcWqkNXiD2EnTnsKTyKvsLFXbNeMvgCY6ASpKUk.original.fullsiz__113126671d_final_ppt_sync.png) the order of basicity is as follows

2012
hard
mcq

All of the following statements apply to proteins except

2012
medium
mcq

The reaction, $\mathrm{CH}_3 \mathrm{CHO} \frac{[\mathrm{H}]}{\mathrm{Zn}(\mathrm{Hg}) / \text { Conc. } \mathrm{HCl}} \mathrm{CH}_3 \mathrm{CH}_3$

2012
easy
mcq

Which of the following is a non-reducing sugar?

2012
easy
mcq

Which of the following compounds are antiaromatic ![JEE Main 2012 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/615f0e999476412f48314daf/Chemistry/images/General_Organic_Chemistry/648b5a63417cc3fb48d65abf/question_1__q_648b5a63417cc3fb48d65abf__cdn-question-pool.getmarks.app__q_c6lJzVVSaJku6DTZUAfjiohephEJALiadH9WGSpDs.original.fullsiz__5bad58046b_final_ppt_sync.png)

2012
medium
mcq

Which of the following compounds can be detected by Molisch's test ?

2012
medium
mcq

Which of the following statements is correct?

2012
easy
mcq

Maleic acid and fumaric acids are

2012
easy
mcq