Practice Questions

Q52.The element that usually does NOT show variable oxidation states is: (1) Cu (2) Ti (3) Sc (4) V

Q53.The degenerate orbitals of [Cr(H2O)6]3+ are (1) dx2−y2 and dxy . (2) dz2 and dxz . (3) dyz and dz2 . (4) dxz and dyz .

Q53.The coordination numbers of Co and Al in [Co(Cl)(en)2]Cl and K3[Al(C2O4)3], respectively are: (en = ethane-1, 2-diamine) (1) 3 and 3 (2) 5 and 3 (3) 5 and 6 (4) 6 and 6

Q53.The following ligand is: (1) tridentate (2) hex dentate (3) bidentate (4) tetradentate

Q53. Mn2(CO)10 is an organometallic compound due to the presence of: (1) Mn −O bond (2) Mn −Mn bond (3) C −O bond (4) Mn −C bond

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

Q54.Wilkinson catalyst is (1) [(Et3 P)3 IrCl] (Et = C2H5) (2) [(Ph3 P)3 RhCl] (3) [(Ph3 P)3 IrCl] (4) [(Et3 P)3 RhCl]

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

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)

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

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

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 is a thermosetting polymer? (1) Bakelite (2) PVC (3) Nylon 6 (4) Buna-N

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

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

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

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

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

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

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