NEET UG 2021 — Organic Chemistry

The simplest amino acid is

The hybridization of carbon in benzene is

The major product of the following chemical reaction is: 

 Consider the above reaction and identify the missing reagent/chemical.

What is the IUPAC name of the organic compound formed in the following chemical reaction? 

Dihedral angle of least stable conformer of ethane is:

The correct structure of $2,6$ - Dimethyldec-$4$-ene is:

The RBC deficiency is deficiency disease of:

The compound which shows metamerism is:

The major product formed in the dehydrohalogenation reaction of $2$ -Bromopentane is Pent $2$-ene. This product formation is based on?

The intermediate compound $'X'$ in the following chemical reaction is: 

Match List - I with List - II. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List-I</td><td colspan="2" rowspan="1">List-II</td></tr><tr><td>(a)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Aldehydes_and_Ketones/66bcc022ae81d148616b26e6/question_1__q_66bcc022ae81d148616b26e6__cdn-question-pool.getmarks.app__a9b5b2c0-1efc-4fe2-b8b3-65cecac27a1a-image__f4f8867a7f_final_ppt_sync.png" alt="NEET 2021 Chemistry, Aldehydes and Ketones — question figure 1"></td><td>(i)</td><td>Hell-Volhard-Zelinsky reaction</td></tr><tr><td>(b)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Aldehydes_and_Ketones/66bcc022ae81d148616b26e6/question_2__q_66bcc022ae81d148616b26e6__cdn-question-pool.getmarks.app__0a40d876-b9f2-41b2-aff7-b2b993f8d1c0-image__e17b465da6_final_ppt_sync.png" alt="NEET 2021 Chemistry, Aldehydes and Ketones — question figure 2"></td><td>(ii)</td><td>Gattermann-Koch reaction</td></tr><tr><td>(c)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Aldehydes_and_Ketones/66bcc022ae81d148616b26e6/question_3__q_66bcc022ae81d148616b26e6__cdn-question-pool.getmarks.app__35ec8c37-2de8-4926-adfe-7d3239f8a8b1-image__9652010cdc_final_ppt_sync.png" alt="NEET 2021 Chemistry, Aldehydes and Ketones — question figure 3"></td><td>(iii)</td><td>Haloform reaction</td></tr><tr><td>(d)</td><td><img src="https://prepforbharat.s3.ap-south-1.amazonaws.com/exam/616059730283de43c87e3e22/Chemistry/images/Aldehydes_and_Ketones/66bcc022ae81d148616b26e6/question_4__q_66bcc022ae81d148616b26e6__cdn-question-pool.getmarks.app__928bba6d-36dc-4031-a22e-26574f3c8de7-image__2e240e5afc_final_ppt_sync.png" alt="NEET 2021 Chemistry, Aldehydes and Ketones — question figure 4"></td><td>(iv)</td><td>Esterification</td></tr></tbody></table>Choose the correct answer from the options given below.

Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

 Reagent R will be:

The product formed in the following chemical reaction is: