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NEET UG 2003 — Organic Chemistry

Chemistry Organic Chemistry questions from NEET UG 2003.

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15 Organic Chemistry Questions from 2003

Phospholipids are esters of glycerol with

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The compound ![NEET 2003 Chemistry, Hydrocarbons — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Hydrocarbons/66bcbda2ae81d148616b12e2/question_1__q_66bcbda2ae81d148616b12e2__cdn-question-pool.getmarks.app__Ymein6LvXjkPa5jBsvgMr3jjl1vWAol8UxyUWm6-488.original.fullsiz__d84b4bffe0_final_ppt_sync.png) on reaction with $\mathrm{NaIO}_3$ in the present of $\mathrm{KMnO}_4$ gives:

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Glycolysis is:

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Which one of the following orders of acid strength is correct?

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Name of the compound given below is: ![NEET 2003 Chemistry, General Organic Chemistry — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/General_Organic_Chemistry/66bcbda2ae81d148616b12dd/question_1__q_66bcbda2ae81d148616b12dd__cdn-question-pool.getmarks.app__2u3QDeIwpQz2-hfDZIs4GKV7mU7AtIMnH1h2GI8iYZE.original.fullsiz__5ee4f47f52_final_ppt_sync.png)

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When m-chlorobenzaldehyde is treated with $50 \% \mathrm{KOH}$ solution, the products (s) obtained is (are):

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The correct order of reactivity towards the electrophillic substitution of the compounds aniline (I), benzene (II) and nitrobenzene (III) is:

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Which one of the following is a free radical substitution reaction?

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$\text { ' } a \text { ' and ' } b \text { ' in the following reactions are: }$ ![NEET 2003 Chemistry, Aldehydes and Ketones — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Aldehydes_and_Ketones/66bcbda5ae81d148616b12f8/question_1__q_66bcbda5ae81d148616b12f8__cdn-question-pool.getmarks.app__u2rif3-4PZj768NMw8fUv5zU8mWSIZtSswNMttb6t7M.original.fullsiz__fdf2561545_final_ppt_sync.png)

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In a set of the given reactions, acetic acid yielded a product ' $c$ '. ![NEET 2003 Chemistry, Alcohols Phenols and Ethers — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Alcohols_Phenols_and_Ethers/66bcbda5ae81d148616b12f7/question_1__q_66bcbda5ae81d148616b12f7__cdn-question-pool.getmarks.app__OfFM-R3bklpOgW7EvjlZmPGNqlkj5gHX8QFEB4VYLkE.original.fullsiz__ffad8c6082_final_ppt_sync.png) Product ' $c$ ' would be:

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The final product ' $\mathrm{c}$ ', obtained in this reaction would be ![NEET 2003 Chemistry, Amines — question figure](https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Amines/66bcbda5ae81d148616b12fb/question_1__q_66bcbda5ae81d148616b12fb__cdn-question-pool.getmarks.app__elDQwsVHH_m4ku6mIKNY8SUv3IbFVC_cOI00pYKdeCc.original.fullsiz__c712cd2e4e_final_ppt_sync.png)

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Which of the following pairs of compounds are enantiomers?

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In this reaction: $\begin{aligned} \mathrm{CH}_3 \mathrm{CHO}+\mathrm{HCN} & \rightarrow \mathrm{CH}_3 \mathrm{CH}(\mathrm{OH}) \mathrm{CN} \\ \stackrel{\mathrm{H} . \mathrm{OH}}{\longrightarrow} & \mathrm{CH}_3 \mathrm{CH}(\mathrm{OH}) \mathrm{COOH} \end{aligned}$ an symmetric centre is generated. The acid obtained would be:

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Chargaff's rule states that in an organism

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Vitamin $B_{12}$ contains:

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