 |
| Chemistry MCQs For Entry Test Preparation (Chapter Wise) 2022 || MDCAT Chemistry Test Online Preparation MCQs with Answers |
1- The dehydration of
ethanol with a catalyst will produce?
a)
Ethane
b)
Ethanoic acid
c) Ethene
d)
Ethyne
2- When ethanol is reacted
with HBR, where will Br attach?
a)
Br atom will go to the carbon with many numbers
of hydrogen atoms
b) Br atom will go to the carbon with
less number of hydrogen atoms
c)
Br is very selective and cannot react with
ethanol
d)
Br will remain bonded with Br
3- Polymerizing chloroethene
will result in what kind of polymer?
a)
PTFE
b)
PP
c) PVC
d)
HDPE
4- Benzene will undergo?
a)
Addition reaction
b)
Elimination reaction
c) Substitution reaction
d)
Condensation reaction
5- What product will
produce if benzene is reacted with nitric acid?
a) Nitrobenzene
b)
TNT
c)
Acetyl benzene
d)
None
6- The reason for the benzene molecule being chemically stable is?
a) Greater number of resonance
structures
b)
Having double bonds
c)
Ring structure
d)
Even the number of carbon atoms
7- Which of the
following hydrocarbons is an aromatic compound?
a)
Hexane
b)
Cyclohexane
c)
Glucose
d) Phenol
8- Acetone reacts with
[H] to form.
a)
Butane
b) Propane
c)
Pentane
d)
Hexane
9- Hydrogenation of
unsaturated fatty acids gives us?
a)
Vegetable oil
b) Vegetable ghee
c)
Sunflower oil
d)
None of the above
10- Alkanes
are insoluble in?
a)
Ether
b)
Benzene
c) Water
d)
Carbon tetrachloride
11- Vicinal dihalides have carbon atoms at the position?
a)
Diagonal
b) Adjacent
c)
Bottom
d)
At the left
12- What is the value of
heat of hydrogenation in kJ/mol?
a)
110
b)
145
c) 120
d)
150
13- The molecular mass of
benzene is?
a)
7.1808
b) 78.108
c)
7810.8
d)
781.08
14- Charge on an electrophile
is?
a)
Negative
b) Positive
c)
Uni-negative
d)
Neutral
15- The reactivity of
alkenes is due to the?
a) Weakness of Pi bond
b)
Presence of double bond
c)
Their general formula
d)
Non-aromatic in nature
16- Which of these is the meta-directing group?
a)
NH2
b)
OCH3
c)
Br
d) CHO
17- Chlorination of
methane gives the product?
a)
Carbon tetrachloride
b)
Methyl chloride and methylene chloride
c)
Chloroform
d) All of the above
18- The extent of
halogenation of alkanes depends on?
a)
Amount of sunlight
b) Amount of halogen used
c)
Amount of UV rays
d)
All of these
19- By which process
alkenes are produced from alkyl halides?
a)
Dehydrohalogenation
b)
Elimination
c) Both a and b
d)
None
20- Dehydrohalogenation of
alcohols can be done by using?
a)
Al2-O3/450 C
b)
H3-PO4
c)
P4-O10
d) All of the above
Which of the following is more reactive?
a) Benzene
b) Ethene
c) Ethane
d) Ethyne
DOWNLOAD PDF:
 2022 || MDCAT Chemistry Test Online Preparation MCQs with Answers){kind=link}