Practice Questions

Q54.The major product of the following reaction is: (1) (2) (3) (4)

Q54.The major product of the following reaction is: JEE Main 2019 (08 Apr Shift 2) JEE Main Previous Year Paper (1) (2) (3) (4)

Q54. The major product obtained in the following conversion is: (1) (2) (3) (4)

Q54.The compound used in the treatment of lead poisoning is: (1) Desferrioxime B (2) EDTA (3) Cis-platin (4) D− penicillamine JEE Main 2019 (12 Apr Shift 2) JEE Main Previous Year Paper

Q55.Major product of the given reaction is: (1) (2) (3) (4)

Q55.The major product of the following reaction is: (1) (2) (3) (4) JEE Main 2019 (08 Apr Shift 1) JEE Main Previous Year Paper

Q56.The major product obtained in the following reaction is: JEE Main 2019 (08 Apr Shift 2) JEE Main Previous Year Paper (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 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 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.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.Which of the following compounds is a constituent of the polymer (1) Methylamine (2) Ammonia (3) Formaldehyde (4) N-Methyl urea

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

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

Q60.Maltose on treatment with dilute HCl gives: (1) D-Glucose (2) D-Fructose (3) D-Galactose (4) D-Glucose and D- Fructose

Q60.Among the following compounds, which one is found in RNA? (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.The correct sequence of amino acids present in the tripeptide given below is: (1) Val - Ser - Thr (2) Leu - Ser - Thr (3) Thr - Ser - Val (4) Thr - Ser - Leu

Q61.The value of λ such that sum of the squares of the roots of the quadratic equation, x2 + (3 −λ) x + 2 = λ has the least value is: (1) 2 (2) 49 (3) 15 (4) 1 8