Practice Questions

Q46.The correct structure of product ' A ' formed in the following reaction, JEE Main 2022 (28 Jun Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Consider the following reaction sequence ​ The product ' B ' is JEE Main 2022 (29 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Decarboxylation of all six possible forms of diaminobenzoic acids C6H3(NH2)2 COOH yields three products A, B and C . Three acids give a product ' A ', two acids gives a product ' B ' and one acid give a product ' C '. The melting point of product ' C ' is (1) 63 °C (2) 90 °C (3) 104 °C (4) 142 °C

Q46.In Friedel-Crafts alkylation of aniline, one gets: (1) alkylated product with ortho and (2) secondary amine after acidic treatment. para substitution. (3) an amide product. (4) positively charged nitrogen at benzene ring.

Q46.Which statement is NOT correct for p-toluenesulphonyl chloride? (1) It is hinsberg's reagent (2) It is used to distinguish primary and secondary amines. (3) On treatment with secondary amine, it leads to a (4) It does not react with tertiary amine. product, that is soluble in alkali. JEE Main 2022 (26 Jun Shift 2) JEE Main Previous Year Paper

Q46. In the above reaction product B is JEE Main 2022 (27 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46. Consider the above reaction and predict the major product. (1) (2) (3) (4)

Q46. Consider the above reaction sequence and identify the product B. (1) (2) (3) (4)

Q46.What is the major product of the following reaction? (1) (2) (3) (4)

Q46.The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to (1) Hyperconjugation in substrate (2) Polarity of solvent (3) Free radical formation (4) Electromeric effect of the substrate

Q46.Compound 'A' undergoes following sequence of reactions to give compound 'B'. The correct structure and chirality of compound 'B' is [where Et is -C2H5] ​ Compound 'A' JEE Main 2022 (29 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q46.Match List-I with List-II. List-I List-II A I Gatterman Koch reaction B II Etard reaction C III Stephen reaction JEE Main 2022 (27 Jul Shift 2) JEE Main Previous Year Paper D IV Rosenmund reaction Choose the correct answer from the options given below (1) A −IV, B −III, C −II, D −I (2) A −I, B −II, C −III, D −IV (3) A −II, B −III, C −IV, D −I (4) A −III, B −II, C −I, D −IV

Q46.Which of the following has least tendency to liberate H2 from mineral acids? (1) Cu (2) Mn (3) Ni (4) Zn

Q46.Which one of the following reactions does not represent correct combination of substrate and product under the given conditions? (1) (2) (3) (4)

Q46.The intermediate X, in the reaction (1) (2) (3) (4)

Q47.Hydrolysis of which compound will give carbolic acid? (1) Cumene (2) Benzenediazonium chloride (3) Benzal chloride (4) Ethylene glycol ketal

Q47. Identify ' Z' among the following (1) (2) (3) (4)

Q47.Identify the major product A and B for the below given reaction sequence. JEE Main 2022 (28 Jul Shift 1) JEE Main Previous Year Paper ​ (1) (2) (3) (4)

Q47.Match List-I with List-II List-I List-II A Benzenesulphonyl chloride I Test for primary amines B Hoffmann bromamide reaction II Anti Saytzeff C Carbylamine reaction III Hinsberg reagent D Hoffmann orientation IV Known reaction of Isocyanates. Choose the correct answer from the options given below (1) A −IV, B −III, C −II, D −I (2) A −IV, B −II, C −I, D −III (3) A −III, B −IV, C −I, D −II (4) A −IV, B −III, C −I, D −II

Q47.The products formed in the following reaction, A and B are ​ JEE Main 2022 (26 Jul Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q47.In the following reaction : JEE Main 2022 (25 Jun Shift 1) JEE Main Previous Year Paper The compounds A and B respectively are (1) (2) (3) (4)

Q47. CH3 MgBr H3O+ Zn−Hg−−−CH3 −CH2 −CN → A → B → C. The correct structure of C is Ether HCl JEE Main 2022 (25 Jul Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4) CH3 −CH2 −CH = CH2

Q47.Among the following structures, which will show the most stable enamine formation? (Where Me is −CH3 ) JEE Main 2022 (26 Jun Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q47.An organic compound ' A ' contains nitrogen and chlorine. It dissolves readily in water to give a solution that turns litmus red. Titration of compound ' A ' with standard base indicates that the molecular weight of ' A ' is 131 ± 2 . When a sample of ' A ' is treated with aq. NaOH, a liquid separates which contains N but not Cl. Treatment of the obtained liquid with nitrous acid followed by phenol gives orange precipitate. The compound ' A ' is (1) (2) (3) (4)

Q47.When enthanol is heated with conc. H2SO4, a gas is produced. The compound formed, when this gas is treated with cold dilute aqueous solution of Baeyer's reagent, is (1) Formaldehyde (2) Formic acid (3) Glycol (4) Ethanoic acid