UHS MDCAT Chemistry MCQs Chapter Wise Test No-3 - MDCATustad

A collection of mdcat, ecat, f.sc, ics and matric examination all subjects MCQs and past papers chapter wise.

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Saturday, June 20, 2020

UHS MDCAT Chemistry MCQs Chapter Wise Test No-3


MDCAT CHEMISTRY MCQS CHAPTER WISE PAST PAPERS

Uhs mdcat chemistry mcqs are collected for the students who are preparing to attempt mdcat examination in this year.

Chemistry MCQs for Entry Test:

Multiple choice questions for entry test(UHS MDCAT Chemistry MCQs). All mcqs are collected from previous papers of mdcat. This is sample paper for mdcat UHS Syllabus.

UHS MDCAT CHEMISTRY MCQS

31.       Homolytic fission is the most common mode of of fission in
(a)        Solid phase      (c) liquid phase
(b)       Vapour phase  (d) semi liquid phase 
32.       Heterolytic fission takes place at
(a) measureable rates             
(c) take place at unmeasurable rates
(b) very fast rate                    
(d) uncontrolled rates 
33.       Which one is stable ion
(a)        Ethyl carbonium ion              
(c) isopropyl carbonium ion
(b)  tertiary butyl carbonium ion       
(d) methyl carbonium ion
34.       Which group does not have positive inductive effect
(a) primary carbonium ion    
(c) Ter. Carbonium ion
(b) nitrobenzene                    
(d) secondary carbocation
35.       In substitution reaction the number of sigma bond
(a) increases                           
(c) decreases 
(b) remain same                     
(d) become double than original sigma bond 
36.       Which type of bond resists the addition reaction
(a) double bond                      
(c) triple bond
(b) saturated bond                  
(d) unsaturated bond
37.       Which pair of reaction is reverse of each other
(a) addition/substitution        
(c) Elimination/Rearrangement
(b) addition/Elimination        
(d) Elimination/Rearrangement 
38.       In Elimination reaction
(a) saturated compound become unsaturated            
(c) unsaturated become saturated
(b) saturated become remain saturated                                 
(d) species destroys
39.       When bond is polar b/w two atoms which reaction is prefered
(a) fission                     (c) fusion
(b) rearrangement        (d) free radical 
40.       Ethanol and Dimethyl ether are best example of
(a) sterioisomer            (c) entantiomers
(b) structural isomer    (d) optical isomers
41.       Alkene show geometrical isomers due to
(a) Asymmetry                                   
(c) Rotation around single bond
(b) Resonance                                    
(d) restricted rotation around double bond  
42.       Which of following compound exhibit geometrical isomers
(a) 1-pentene               (c) 2-pentene
(b) 2-methyl-2-pentene(d) 2-pentanol 
43.       Which compound can show functional group isomerism
(a) acetic acid             (c) 1-butene
(b) amino acid             (d) pentane 
44.       Which alkyl free radical is most stable
(a) methyl                    (c) primary
(b) secondary              (d) tertiary
45.       Which one of following is lewis acid
(a) AlCl3                     (c) CH3OH
(b) NH3                        (d) dimethyl ether
49.       The species ______________ contain number of sigma bond
(a) 6                              (c) 12
(b) 16                          (d) 10
50.       Which one is not heterocyclic compound
(a) benzene                  (c) pyridine
(b) pyrol                       (d) furan  
51.       Contact process was firstly developed in country
(a) England                   (c) Germany
(b) America                (d) Japan
52.       When sulphure dioxide change into sulphur trioxide the amount of energy released is
(a) -370 KJ/mol            (c) -269.3 KJ/mol
(b) -57.5 KJ/mol         (d) 700 cal
53.       Nitrous acid change to nitric acid by
(a) oxidation                (c) reduction
(b) polymerization      (d) condensation
54.       Colour of potassium nitrate pillet is
(a) green                        (c) pale yellow
(b) white                     (d) pink
55.       Di ammonium phosphate contain nitrogen
(a) 48%                        (c) 46%
(b) 16%                       (d) 33%
56.       Which nitrogen fertilizer contain high amount of nitrogen
(a) Urea                                   (c) Potassium Nitrate
(b) Ammonia                         (d) DAP
57.       Ammonium nitrate obtained by treating ammonia with                                                
(a) nitric acid              (c) potassium nitrate
(b) urea                       (d) DAP
58.       Which compound is used as drying agent in contact process in drying tower
(a) oleum                     (c) sulphuric acid
(b) Cao                         (d) NaNO3
59.       Nitrogen found in free state in
(a) protein                   (c) Urea
(b) Amino acid           (d) air
60.       For formation of nitric acid Birkland and eyed method consists of how many steps           
(a) 2                             (c) 3
(b) 4                            (d) 5
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