Practice Questions

Q58.The major product of the following reaction is: (1) (2) (3) (4)

Q58.The increasing basicity order of the following compounds is: (1) (D) < (C) < (B) < (A) (2) (D) < (C) < (A) < (B) (3) (A) < (B) < (C) < (D) (4) (A) < (B) < (D) < (C)

Q59.The correct match between column-I and column-II is Column-I (drug) Column-II (test) (A) Chloroxylenol (P) Carbylamine test (B) Norethindrone (Q) Sodium hydrogen carbonate test (C) Sulphapyridine (R) Ferric chloride test (D) Penicillin (S) Baeyer’s test (1) A →R, B →P, C →S, D →Q (2) A →Q, B →S, C →P, D →R (3) A →Q, B →P, C →S, D →R (4) A →R, B →S, C →P, D →Q

Q59.Which of the following tests cannot be used for identifying amino acids? (1) Biuret test (2) Xanthoproteic test (3) Barfoed test (4) Ninhydrin test

Q59. The correct match between Item I and Item II is: (1) (A) →(R); (B) →(P); (C) →(Q); (D) →(S) (2) (A) →(P); (B) →(R); (C) →(Q); (D) →(S) (3) (A) →(R); (B) →(P); (C) →(S); (D) →(Q) (4) (A) →(P); (B) →(R); (C) →(S); (D) →(Q)

Q59.Noradrenaline is a/an (1) Antihistamine (2) Neurotransmitter (3) Antacid (4) Antidepressant

Q59.The major product of the following reaction is: (1) (2) (3) (4) JEE Main 2019 (09 Jan Shift 2) JEE Main Previous Year Paper

Q59.Match the metals (column I) with the coordination compound(s)/enzyme(s) (column II) : (1) (A)-(iii); (B)-(iv); (C)-(i); (D)-(ii) (2) (A)-(i); (B)-(ii); (C)-(iii); (D)-(iv) (3) (A)-(ii); (B)-(i); (C)-(iv); (D)-(iii) (4) (A)-(iv); (B)-(iii); (C)-(i); (D)-(ii)

Q59.Poly- β -hydroxybutyrate-co- β -hydroxyvalerate (PHBV ) is a copolymer of _____. (1) 3− hydroxybutanoic acid and 4− hydroxypentanoic acid (2) 3− hydroxybutanoic acid and 2− hydroxypentanoic acid (3) 3− hydroxybutanoic acid and 3− hydroxypentanoic acid (4) 2− hydroxybutanoic acid and 3− hydroxypentanoic acid

Q59.Which of the following is a condensation polymer? (1) Nylon 6, 6 (2) Neoprene (3) Buna −S (4) Teflon

Q59.The correct name of the following polymer is: (1) Polyisobutylene (2) Polytert-butylene (3) Polyisobutane (4) Polyisoprene

Q59.The correct match between Item - I and Item - II is: Item - I Item - II (a) High density polythene (I) Peroxide catalyst (b) Polyacrylonitrile (II) Condensation at high temperature & pressure (c) Novolac (III) Ziegler-Natta catalyst (d) Nylon 6 (IV) Acid or base catalyst JEE Main 2019 (10 Apr Shift 2) JEE Main Previous Year Paper (1) a →IV, b →( II ) , ( c ) →( I ) , ( d ) →( III ) (2) ( a ) →III, ( b ) →( I ) , ( c ) →( IV ) , ( d ) →( II ) (3) ( a ) →III, ( b ) → ( I ) , ( c ) →( II ) , ( d ) →( IV ) (4) ( a ) →II, b →IV, c →I, d →III

Q59.The correct statement(s) among I to III with respect to potassium ions that are abundant within the cell fluids, is/are I. They activate many enzymes. JEE Main 2019 (12 Jan Shift 2) JEE Main Previous Year Paper II. They participate in the oxidation of glucose to produce ATP. III. Along with sodium ions, they are responsible for the transmission of nerve signals. (1) I , II and III (2) III only (3) I and II only (4) I and III only

Q59.In the following compounds, the decreasing order of basic strength will be: (1) C2H5NH2 > NH3 > ( C2H5 ) 2NH (2) ( C2H5 ) NH > NH3 > C2H5NH2 (3) NH3 > C2H5NH2 > ( C2H5 ) 2NH (4) ( C2H5 ) 2NH > C2H5NH2 > NH3

Q59.The major product formed in the reaction given below will be : (1) (2) (3) (4)

Q59.The structure of Nylon - 6 is: (1) (2) (3) (4)

Q59.Aniline dissolved in dilute HCl is reacted with sodium nitrite at 0°C. This solution was added dropwise to a solution containing an equimolar mixture of aniline and phenol in dilute HCl . The structure of the major product is (1) (2) (3) (4)

Q59.Glucose and Galactose are having identical configuration in all the positions except position. (1) C - 3 (2) C - 4 (3) C - 5 (4) C - 2

Q60.Fructose and glucose can be distinguished by: (1) Fehling's test (2) Benedict's test (3) Barfoed's test (4) Seliwanoff's test

Q60.The correct structure of the product ‘P’ in the following reaction is NEt3 −Asn −Ser + (CH3 CO)2O → P (excess) JEE Main 2019 (10 Jan Shift 1) JEE Main Previous Year Paper (1) (2) (3) (4)

Q60.Which of the given statements is incorrect about glycogen? (1) It is present in animal cells. (2) It is a straight chain polymer similar to amylose. (3) It is present in some yeast and fungi (4) Only α− linkages are present in the molecule.

Q60.Among the following compounds most basic amino acid is: (1) Lysine (2) Asparagine (3) Serine (4) Histidine

Q60.Which of the following statements is not true about sucrose? (1) It is also named as invert sugar. (2) It is a non-reducing sugar. (3) The glycosidic linkage is present Between C1 of (4) On hydrolysis, it produces glucose and fructose. α -glucose and C1 of β -fructose.

Q60.The correct match between item I and item II is Item I (Compound) Item II (Reagent) a. Lysine p. 1−naphthol JEE Main 2019 (10 Jan Shift 2) JEE Main Previous Year Paper b. Furfural q. Ninhydrin c. Benzyl alcohol r. KMnO4 d. Styrene s. Ceric ammonium nitrate (1) a →q, b →r, c →s, d →p (2) a →q, b →p, c →s, d →r (3) a →r, b →p, c →q, d →s (4) a →q, b →p, c →r, d →s

Q60.Amylopectin is composed of: (1) β −D− glucose , C1 −C4 and C1 −C6 (2) α −D− glucose, C1 −C4 and C2 −C6 linkages linkages (3) α −D− glucose, C1 −C4 and C1 −C6 linkages (4) β −D− glucose, C1 −C4 and C2 −C6 linkages