Welcome to the Organic Chemistry Basics MCQs with Answers. In this post, we are sharing Organic Chemistry Basics Multiple Choice Questions and Answers in Everyday Science section for various competitive exams in Pakistan. Each question offers a chance to enhance your knowledge regarding Organic Chemistry Basics online MCQs Test.
Organic chemistry is the branch of chemistry that deals with the study of:
a) Inorganic compounds
b) Organic compounds
c) Both inorganic and organic compounds
d) None of the above
Which element is present in all organic compounds?
a) Carbon
b) Oxygen
c) Hydrogen
d) Nitrogen
How many valence electrons does a carbon atom have?
a) 2
b) 4
c) 6
d) 8
What is the hybridization of a carbon atom in methane (CH4)?
a) sp
b) sp2
c) sp3
d) sp3d
Which bond is formed between two carbon atoms in an organic compound?
a) Sigma bond
b) Pi bond
c) Double bond
d) Triple bond
What is the general formula for an alkane?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbon-oxygen double bond?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
What is the general formula for an alkene?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a hydroxyl group (-OH)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
What is the general formula for an alkyne?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbonyl group (C=O)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
What is the general formula for an alcohol?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carboxyl group (-COOH)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
What is the general formula for an aldehyde?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbonyl group at the end of a carbon chain?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
What is the general formula for a carboxylic acid?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains an amino group (-NH2)?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
What is the general formula for an amine?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to three carbon atoms?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
What is the general formula for a ketone?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
What is the general formula for an ether?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains an oxygen atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Ether
d) Ketone
What is the general formula for an ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains an oxygen atom bonded to a carbon atom by a double bond and to another carbon atom by a single bond?
a) Alcohol
b) Aldehyde
c) Ester
d) Ether
What is the general formula for an amide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to a carbon atom by a double bond and to another carbon atom by a single bond?
a) Alcohol
b) Aldehyde
c) Amide
d) Amine
What is the general formula for a nitrile?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbon atom triple-bonded to a nitrogen atom?
a) Alcohol
b) Aldehyde
c) Amide
d) Nitrile
What is the general formula for a thiol?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a sulfur atom bonded to a carbon atom by a single bond?
a) Alcohol
b) Aldehyde
c) Thiol
d) Ether
What is the general formula for a sulfide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a sulfur atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Sulfide
d) Thiol
What is the general formula for an acyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbonyl group (-C=O) bonded to a halogen atom?
a) Alcohol
b) Aldehyde
c) Acyl halide
d) Ketone
What is the general formula for an anhydride?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains two carbonyl groups (-C=O) bonded to an oxygen atom?
a) Alcohol
b) Aldehyde
c) Anhydride
d) Ether
What is the general formula for a vinyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbon-carbon double bond and a halogen atom?
a) Alcohol
b) Aldehyde
c) Vinyl halide
d) Ether
What is the general formula for an alkyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a halogen atom bonded to a carbon atom?
a) Alcohol
b) Aldehyde
c) Alkyl halide
d) Ether
What is the general formula for a tosylate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a sulfonic acid group (-SO3H) bonded to a carbon atom?
a) Alcohol
b) Aldehyde
c) Tosylate
d) Ether
What is the general formula for a sulfonate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a sulfonic acid group (-SO3H)?
a) Alcohol
b) Aldehyde
c) Sulfonate
d) Ether
What is the general formula for a phosphate ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a phosphate group (-PO4) bonded to a carbon atom?
a) Alcohol
b) Aldehyde
c) Phosphate ester
d) Ether
What is the general formula for a carbamate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains an amine group bonded to a carbonyl group (-NHCOO-)?
a) Alcohol
b) Aldehyde
c) Carbamate
d) Ether
What is the general formula for a carbonate ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a carbonate group (-O(C=O)O-) bonded to a carbon atom?
a) Alcohol
b) Aldehyde
c) Carbonate ester
d) Ether
What is the general formula for an imine?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to a carbon atom by a double bond?
a) Alcohol
b) Aldehyde
c) Imine
d) Ether
What is the general formula for a nitro compound?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to an oxygen atom by a double bond and to another oxygen atom by a single bond?
a) Alcohol
b) Aldehyde
c) Nitro compound
d) Ether
What is the general formula for a diazo compound?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to two carbon atoms, one of which is a part of a double bond?
a) Alcohol
b) Aldehyde
c) Diazo compound
d) Ether
What is the general formula for an azide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Which functional group contains a nitrogen atom bonded to three other nitrogen atoms?
a) Alcohol
b) Aldehyde
c) Azide
d) Ether
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