Practice Questions

Q57.The major product Y in the following reaction is: (1) (2) (3) (4)

Q57.Which of the following is a thermosetting polymer? (1) Bakelite (2) PVC (3) Nylon 6 (4) Buna-N

Q57.The decreasing order of ease of alkaline hydrolysis for the following esters is (1) III > II > IV > I (2) III > II > I > IV (3) IV > II > III > I (4) II > III > I > IV

Q57.The major product obtained in the following reaction is: (1) (2) (3) (4)

Q57.Hinsberg’s reagent is: (1) C6H5SO2Cl (2) SOCl2 (3) (COCl)2 (4) C6H5COCl

Q57.What will be the major product when m-cresol is reacted with propargyl bromide (HC ≡C −CH2Br) in presence of K2CO3 in acetone? (1) (2) (3) (4)

Q57.The major product of the following reaction is: JEE Main 2019 (09 Apr Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q57.Acid strength given below the correct decreasing order will be : (1) NO2CH2COOH > FCH2COOH > CNCH2COOH > ClCH2COOH(2) NO2CH2COOH > NCCH2COOH > FCH2COOH > ClCH2COO (3) CNCH2COOH > O2NCH2COOH > FCH2COOH > (4)ClCH2COOHFCH2COOH > NCCH2COOH > NO2CH2COOH > ClCH2COO

Q57.An aromatic compound ′A′ having molecular formula C7H6O2 , on treating with aqueous ammonia and heating forms compound ′B′. The compound ′B′ on reaction with molecular bromine and potassium hydroxide provides compound ′C′ having molecular formula C6H7N. The structure of ′A′ is: JEE Main 2019 (10 Jan Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q57.The polymer obtained from the following reactions is (1) (2) (3) (4)

Q57.Which of the following amines can be prepared by Gabriel phthalimide reaction? (1) t - butylamine (2) n - butylamine (3) triethylamine (4) neo - pentylamine

Q58.The two monomers for the synthesis of nylon 6, 6 are (1) HOOH (CH2)4 COOH, H2N(CH2)4 NH2 (2) HOOC (CH2)4 COOH, H2N(CH2)6 NH2 (3) HOOC (CH2)6 COOH, H2N(CH2)4 NH2 (4) HOOC (CH2)6 COOH, H2N(CH2)6 NH2

Q58.Ethylamine (C2H5NH2) can be obtained from N-ethylphthalimide on treatment with: (1) CaH2 (2) NH2NH2 (3) H2O (4) NaBH4

Q58.The major product of the following reaction is: LiAlH4 −CH3CH = CHCO2CH3 → (1) CH3CH2CH2CO2CH3 (2) CH3CH = CHCH2OH (3) CH3CH2CH2CH2OH (4) CH3CH2CH2CHO

Q58.The correct match between item (I) and item (II) is : JEE Main 2019 (11 Jan Shift 1) JEE Main Previous Year Paper (1) (A) → (Q); (B) → (R); (C) → (S) (2) (A) →(Q); (B) →(P); (C) →(R) (3) (A) → (R); (B) → (P); (C) → (S) (4) (A) → (R); (B) → (P); (C) → (R)

Q58.The increasing order of reactivity of the following compounds towards reaction with alkyl halides directly is: (i) (ii) (iii) (iv) (1) (i) < (ii) < (iii) < (iv) (2) (ii) < (i) < (iii) < (iv) (3) (ii) < (i) < (iv) < (iii) (4) (i) < (iii) < (iv) < (ii)

Q58.An organic compound ‘A’ is oxidized with Na2O2 followed by boiling with HNO3 . The resultant solution is then treated with ammonium molybdate to yield a yellow percipitate. Based on a above observation, the element present in the given compound is: (1) Fluorine (2) Phosphorus (3) Nitrogen (4) Sulphur

Q58.The major product in the following reaction is: JEE Main 2019 (08 Apr Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q58.Benzene diazonium chloride on reaction with aniline in the presence of dilute hydrochloric acid gives: JEE Main 2019 (12 Apr Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q58.With dehydrating agent present which dicarboxylic acid is least reactive towards forming an anhydride? JEE Main 2019 (10 Jan Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q58.Coupling of benzene diazonium chloride with 1 - naphthol in alkaline medium will give: (1) (2) (3) (4)

Q58.The homopolymer formed from 4-hydroxy-butanoic acids is. (1) (2) (3) (4)

Q58.Major product of the given below reaction: (1) (2) (3) (4)

Q58.Which of the following is not a correct method of the preparation of benzyl amine from cyano benzene? (1) H2 / Ni (2) (i) HCl / H2O (ii) NaBH4 (3) (i) SnCl2 + HClgas (ii) NaBH4 (4) (i) LiAlH4 (ii) H3O+

Q58.Which of the following compounds is a constituent of the polymer (1) Methylamine (2) Ammonia (3) Formaldehyde (4) N-Methyl urea