Organic Chemistry Class 10 ICSE Chemistry MCQ Questions
Looking for Organic Chemistry Class 10 ICSE Chemistry Chapter 12 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 chemistry Chapter 12 multiple choice questions and answers. All MCQ are important.
1) The organic compound obtained from animals is__
a) Cellulose
b) Gases
c) Urea
d) Starch
Answer- Urea
2) Carbon forms ___ bonds.
a) One
b) Two
c) Three
d) Four
Answer – Four
3) Functional group of ether is ____.
a) —-COOH
b) CHO
c) C—C
d) C—O—-C
Answer-C—-O—-C
4) Cyclic compunds are called as____.
a) Aromatic compounds
b) Acyclic compounds
c) Both
d) Non of the above
Answer- Aromatic compounds
5) Benzene ring has ____ carbon atoms
a) 3
b) 6
c) 9
d) 12
Answer- 6
6) Molecular formula of octane is___.
a) CH4
b) C2H4
c) C8H18
d) C9H20
Answer- C8H18
7) Molecular formula of hexane is _____.
a) C4H10
b) C4H8
c) C5H12
d) C2H4
Answer- C4H10
8) Molecular formula of pentene is___
a) C5H12
b) C5H10
c) C6H10
d) C7H14
Answer- C5H10
9) Functional group of aldehyde is ___.
a) R—X
b) R—-OH
c) —CHO
d) Non of the above
Answer- —-CHO
10) Physical state of ethane gas is____.
a) Liquid
b) Solid
c) Gas
d) All of these
Answer- Gas
11) Boiling pointof butane is____.
a) -88°C
b) 0°C
c) 36.2°C
d) -161.4°C
Answer- 0°C
12) Root word for number of carbons 3 is.
a) Meth
b) Eth
c) Prop
d) Pent
Answer- prop
13) Suffix for compound having double bond is____.
a) ane
b) ene
c) yne
d) one
Answer- ene
14) The organic compound first synthesised in laboratory was___.
a) Urea
b) Sugar
c) Vinegar
d) Alcohol
Answer- urea
15) The organic compound which is not obtained from petroleum is___.
a) Petrol
b) Gasoline
c) Naptha
d) Starch
Answer- starch
16) The name of compound
CH3-CH2-CHO is___.
a) Ethanol
b) Ethanol
c) Propane
d) Propanol
Answer- propanol
17) Suffix used for ethers is___.
a) one
b) oic
c) oxy
d) al
Answer-oxy
18) Kolbe synthesised_____ in the laboratory.
a) Methane
b) Acetic acid
c) Sugar
d) Urea
Answer- Acetic acid
19) Boiling point of ethane is ___.
a) -161.4°C
b) -88.3°C
c) 0°C
d) 36.2°C
Answer- -88.3°C
20) Molecular formula of propyne is___.
a) C2H2
b) C3H4
c) C6H10
d) C8H14
Answer- C3H4
21) Methane was synthesized by ___.
a) Kolbe
b) Berthelot
c) Both
d) Non of the above
Answer- Berthelot
22) Isomers have same atomic number and different___.
a) Atomic mass number
b) Electronic configuration
c) Number of electrons
d) Non of the above
Answer- Atomic mass number
23) Vital force theory was discarded by___
a) Chadwick
b) Wohler
c) Kolbe
d) Boyle
Answer- Wohler
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thnx a lot .. best for last minute revision test …
In 5th question the answer is C6H14