Manipal PMT Question Paper

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[Kiran Chandar]

Here is the list of few questions of Manipal PMT entrance exam which you are looking for .

1. The hybridization state of C atom in butendioic acid is :
(1) sp2 (2) sp3 (3) both two (4) sp
2. Which of the following is not a isomer of pentane :
(1) n-pentane
(2) 2, 2-dimethy 1 propane
(3) 2, 3-dimethy 1 butane
(4) 2-methy 1 butane
3. The oxidation number of C atom in Ch2CI2 and CCI4 are respectively :
(1) -2 and – 4 (2) 0 and – 4 (3) 0 and 4 (4) 2 and 4
4. Which of the following dissolves in lonic solvents :
(1) C6H5 (2) CH3OH (3) CCI4 (4) C5H12
5. The conjugate acid of HS is :
(1) S-2 (2) H2S2 (3) both two (4) none
6. Phenolphthalein of pH range [8-10] is used in which of the following type of
titration as a suitable indicator :
(1) NH4OH and HCI
(2) NH4OH and HCOOH
(3) NH4OH and C2H4O2
(4) NaOH and C2O4H2
7. Which of the following is iron are :
(1) Malachite (2) Hernatite (3) Siderite (4) Limonite
8. The molar concentration of chloride ions in the resulting solution of 300
ml.of 3.0 M NaCI and 200 ml. of 4.0 M BaCl2 will be :
(1) 1.7 M (2) 1.8 M (3) 5.0 M (4) 3.5 M
9. Which of the following has least bond energy :
(1) N2
-2 (2) N2
- (3) N2
+ (4) N2
10. Which of the following species has highest bond energy :
(1) O2
-2 (2) O2
+ (3) O2
- (4) O2
11. Which of the following compound is not aromatic :
(1) 1, 3-cyclobutene
(2) pyridine
(3) furane
(4) thiophene

12. Which of the following compound is used as refrigerant :
(1) CCI2F2
(2) CCI4
(3) CF4
(4) Acetone
13. Which of the following is weak acid :
(1) C6H6 (2) CH3-C≡CH (3) CH2=CH2 (4) CH3-C≡C-CH3
14. L.P.G. mainly consist of the following :
(1) Methane (2) Hydrogen (3) Acetylene (4) Butane
15. The solubility product of CaCo3 is 5 x 10-9. The solubility will be :
(1) 2.5 x 10-5 (2) 7 x 10-5 (3) 2.5 x 10-4 (4) 2.2 x 10-9
16. The outer electronic configuration of alkali earth metals is :
(1) nd10 (2) ns1 (3) np6 (4) ns2
17. The nature of 2, 4, 6-trinitrophenol is :
(1) Neutral (2) Basic (3) Acidic (4) Weak basic
18. Which of the following group is sharp ortho and para directive :
(1) –C6H5 (2)-OH (3) –CH3 (4) –CI
19. By which of the following process hydrocarbons are found from petroleum :
(1) combustion
(2) fractional distillation
(3) addition
(4) all above
20. A sample of petroleum contains 30% n-heptane, 10% 2-methyl hexane and
60% 2, 2, 4-trimethyl pentane, the octane no. of this sample will be :
(1) 30% (2) 60% (3) 10% (4) 70%
21. In which of the following halogens p-electrons does not take part in
resonance :
(1) CH2=CH-CH2Cl (2) BrC6H5
(3) C6H5Cl (4) CH2=CHCl
22. Which of the following statement is false :
(1) 40% solution HCHO is known as formalin
(2) HCHO is least reactive in its homologous series
(3) The B.P. of isovarelaldehyde is less than n-varelaldehyde
(4) The boiling point of ketones are higher than that of aldehydes
23. If n + = 8 then the expected no. of orbitals will be :
(1) 4 (2) 9 (3) 16 (4) 25

Alc. KOH 2Cl2 Ca(OH)2
24. A B C here the compound C will be :
(1) Lewsite (2) Westron (3) Acetylene tetra chloride (4) Both 2 and 3
25. Which of the following is least hydrolysed :
(1) BeCl2 (2) MgCl2 (3) CaCl2 (3) BaCl2
26. The laughing gas is :
(1) N2O4 (2) NO (3) N2O (4) N2O5
27. The hydrogen ion concentration of a solution is 3.98 x 10-6 mole per liter. The
pH value of this solution will be :
(1) 6.0 (2) 5.8 (3) 5.4 (4) 5.9
28. The reaction of sodium acetate and sodalime gives :
(1) Butane (2) Ethane (3) Methane (4) Propane
29. Which of the following acids does not contain – COOH group :
(1) Carbamic acid (2) Barbituric acid
(3) Lactic acid (4) succinnic acid
30. Which of the following compound of xenone does not exists :
(1) XeF6 (2) XeF4 (4) XeF5 (4) XeF2
31. FeSO4, 7H2O is :
(1) Mohr’s salt (2) Blue vitriol (3) Green vitriol (4) White vitriol
32. The solution of BiCl3 in dil. HCI when diluted with water white precipitate is
formed which is :
(1) Bismith oxychloride (2) Bismith oxide
(3) Bismith hydroxide (3) none of these
33. The strongest acid is :
(1) acetic acid
(2) trichloroacetic acid
(3) dichloracetic acid
(4) monochloroacetic acid
34. The false statement regarding alkane is :
(1) This does not perform polymerization reaction
(2) This does not gives elimination reaction
(3) It does not disappear the colour of dilute KMnO4 solution
(4) It does not decolourise bromine water
35. Which of the following is strongest base :
(1) C6H5NH2 (2) CH3NH2

(3) NH3 (4) CH3CONH2
36. Which of the following aromatic compound gives sulphonation reaction very
easily :
(1) Chlorobenzene (2) Nitrobenzene (3) Toluene (4) benzene
37. The geometry of I3- is :
(1) Triangular (2) Linear (3) Tetrahedral (4) T-shape
38. The half life of a radio active element is 140 days. 1 gm. of this element after
560 days will become :
(1) 1 gm (2) 1 gm (3) 1gm. (4) 1 gm.
16 4 8 2
39. The volume concentration of hydrogen peroxide 6.8% concentration will be :
(1) 5 (2) 11.2 (3) 22.4 (4) 20
40. Which of the following on combustion give maximum energy :
(1) Ethane (2) Propane (3) Methane (4) Butane
Anhy. AICI3
41. C6H6 + CH3CI C6H5CH3 + HCI The name of above reaction is :
(1) Gattermann (2) Reimer-tiemann
(3) Friedel-Craft (4) Cannizaro
42. The oxidation state of Cr in K2Cr2O7 is :
(1) + 4 (2) + 3 (3) + 6 (4) + 5
43. The natural rubber is the polymer of :
(1) 1, 3- butadiene (2) polyamide (3) isoprene (4) none of these
44. Nylone-66 is a :
(1) polyester (2) polyamide (3) polyacrylate (4) none of these
45. 2NO(g) + CI2 (g) →→→2 NOCI The equilibrium constant for this reaction is :
←←←
(1) Kc = [NOCI]2 (2) Kc = [NOCI]2___
[NO]2[CI2}2 [2NO]2[CI2]
(3) Kc = [NOCI]2 __ (4) Kc = [2NOCI]____
[NO]2 [CI2] [2NO][CI]
A
46. C6H6 + CO + HCI C6H5CHO + HCI here A is :
(1) anhydrans ZnO (2) V2O5/4500 C
(3) anhydrous AICO3 (4) solid KOH

47. The values of for HCN and CH3COOH are 7.2 x 10-10 and 1.75 x 10-5 (at 250
C) respectively. The strongest acid amongst them is :
(1) CH3COOH (2) HCN (3) both (4) none of these
48. In which of the following carbon atom (asterisk) is asymmetric :
(1) CH3CH2CH (CH3) CH2OH
(2) CH3CH2CH (CH3) CHOH
(3) CH3CH2CH2CH2CH2OH
(4) CH3CH2CH (CH3)CH2OH
49. Benzene reacts with CH3COCI in presence of Lewis acid AICI3 to form :
(1) Acetophenone (2) Toluene (3) Benzyl Chloride (4) Chlorobenzene
50. Which of the following is reducing agent :
(1) H2S (2) HNO3 (3) H2O (4) K2Cr2O7
51. In which of the following alkyl chloride the possibility of SN1 reaction
mechanism is maximum :
(1) (CH3)2CHCI (2) (CH3)3C-CI (3) CH3CI (4) CH3CH2CI
52. 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 these
53. The mole of hydrogen ion in 50 ml. of 0.1 M HCI solution will be :
(1) 5 x 102 (2) 5 x 10-3 (3) 5 x 103 (4) 5 x 10-2
54. Petroleum is mainly consist of :
(1) Aliphatic alcohol
(2) Aromatic hydrocarbon
(3) Alipnetic hydrocarbon
(4) None of these



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