Model Question Paper CET Physics - WIT Solapur

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www.JbigDeaL.com(3) NH 3 (4) CH 3 CONH 236. Which of the following aromatic compound gives sulphonation reaction veryeasily :(1) Chlorobenzene (2) Nitrobenzene (3) Toluene (4) benzene37. The geometry of I3- is :(1) Triangular (2) Linear (3) Tetrahedral (4) T-shape38. The half life of a radio active element is 140 days. 1 gm. of this element after560 days will become :(1) 1 gm (2) 1 gm (3) 1gm. (4) 1 gm.16 4 8 239. The volume concentration of hydrogen peroxide 6.8% concentration will be :(1) 5 (2) 11.2 (3) 22.4 (4) 2040. Which of the following on combustion give maximum energy :(1) Ethane (2) Propane (3) Methane (4) ButaneAnhy. AICI 341. C6H6 + CH3CI C6H5CH3 + HCI The name of above reaction is :(1) Gattermann (2) Reimer-tiemann(3) Friedel-Craft (4) Cannizaro42. The oxidation state of Cr in K 2 Cr 2 O 7 is :(1) + 4 (2) + 3 (3) + 6 (4) + 543. The natural rubber is the polymer of :(1) 1, 3- butadiene (2) polyamide (3) isoprene (4) none of these44. Nylone-66 is a :(1) polyester (2) polyamide (3) polyacrylate (4) none of these45. 2NO(g) + CI 2 (g) →→2 NOCI The equilibrium constant for this reaction is :←←(1) K c = [NOCI] 2 (2) K c = [NOCI] 2 ___[NO] 2 [CI 2 } 2 [2NO] 2 [CI 2 ](3) K c = [NOCI] 2 __ (4) K c = [2NOCI]____[NO] 2 [CI 2 ][2NO][CI]A46. C 6 H 6 + CO + HCI C 6 H 5 CHO + HCI here A is :(1) anhydrans ZnO (2) V 2 O 5 /450 0 C(3) anhydrous AICO 3 (4) solid KOH
www.JbigDeaL.com47. The values of for HCN and CH 3 COOH are 7.2 x 10 -10 and 1.75 x 10 -5 (at 25 0C) respectively. The strongest acid amongst them is :(1) CH 3 COOH (2) HCN (3) both (4) none of these48. In which of the following carbon atom (asterisk) is asymmetric :(1) CH 3 CH 2 CH (CH 3 ) CH 2 OH(2) CH 3 CH 2 CH (CH 3 ) CHOH(3) CH 3 CH 2 CH 2 CH 2 CH 2 OH(4) CH 3 CH 2 CH (CH 3 )CH 2 OH49. Benzene reacts with CH 3 COCI in presence of Lewis acid AICI 3 to form :(1) Acetophenone (2) Toluene (3) Benzyl Chloride (4) Chlorobenzene50. Which of the following is reducing agent :(1) H 2 S (2) HNO 3 (3) H 2 O (4) K 2 Cr 2 O 751. In which of the following alkyl chloride the possibility of SN 1 reactionmechanism is maximum :(1) (CH 3 ) 2 CHCI (2) (CH 3 ) 3 C-CI (3) CH 3 CI (4) CH 3 CH 2 CI52. The energy produced realated to mass decay of 0.02 amu is :(1) 28.2 MeV (2) 931 MeV (3) 18.62 MeV (4) none of these53. The mole of hydrogen ion in 50 ml. of 0.1 M HCI solution will be :(1) 5 x 10 2 (2) 5 x 10 -3 (3) 5 x 10 3 (4) 5 x 10 -254. Petroleum is mainly consist of :(1) Aliphatic alcohol(2) Aromatic hydrocarbon(3) Alipnetic hydrocarbon(4) None of these∆∆55. C 6 H 6 OCH 3 + HI …….. + ……….. The products in the above reactionwill be :(1) C 6 H 5 I+CH 3 OH (2) C 6 H 5 CH 3 +HOI(3) C 6 H 5 OH+CH 3 I (4) C 6 H 6 +CH 3 OI56 F3 is :(1) Bronsted base (2) Lewis base (3) Lewis acid (4) Bronsted acid57. Which of the following compound gives violet colour with FeCI 3 solution:(1) Benzaldehyde (2) Aniline (3) Nitrobenzene (4) Phenol58. Hypo solution forms which of the following complex compound with AgCI :(1) Na 5 [Ag(S 2 O 3 ) 3 ] (2) Na 3 [Ag(S 2 O 3 ) 2 ]
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