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
Answer: b) Organic compounds
Which element is present in all organic compounds?
a) Carbon
b) Oxygen
c) Hydrogen
d) Nitrogen
Answer: a) Carbon
How many valence electrons does a carbon atom have?
a) 2
b) 4
c) 6
d) 8
Answer: b) 4
What is the hybridization of a carbon atom in methane (CH4)?
a) sp
b) sp2
c) sp3
d) sp3d
Answer: c) sp3
Which bond is formed between two carbon atoms in an organic compound?
a) Sigma bond
b) Pi bond
c) Double bond
d) Triple bond
Answer: a) Sigma bond
What is the general formula for an alkane?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n+2
Which functional group contains a carbon-oxygen double bond?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
Answer: d) Ketone
What is the general formula for an alkene?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
Which functional group contains a hydroxyl group (-OH)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
Answer: a) Alcohol
What is the general formula for an alkyne?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
Which functional group contains a carbonyl group (C=O)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
Answer: d) Ketone
What is the general formula for an alcohol?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n+2
Which functional group contains a carboxyl group (-COOH)?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
Answer: c) Carboxylic acid
What is the general formula for an aldehyde?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n
Which functional group contains a carbonyl group at the end of a carbon chain?
a) Alcohol
b) Aldehyde
c) Carboxylic acid
d) Ketone
Answer: b) Aldehyde
What is the general formula for a carboxylic acid?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains an amino group (-NH2)?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
Answer: c) Amine
What is the general formula for an amine?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: c) CnHn
Which functional group contains a nitrogen atom bonded to three carbon atoms?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
Answer: c) Amine
What is the general formula for a ketone?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
Which functional group contains a nitrogen atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Amine
d) Ketone
Answer: c) Amine
What is the general formula for an ether?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains an oxygen atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Ether
d) Ketone
Answer: c) Ether
What is the general formula for an ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Ester
What is the general formula for an amide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Amide
What is the general formula for a nitrile?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
Which functional group contains a carbon atom triple-bonded to a nitrogen atom?
a) Alcohol
b) Aldehyde
c) Amide
d) Nitrile
Answer: d) Nitrile
What is the general formula for a thiol?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
Which functional group contains a sulfur atom bonded to a carbon atom by a single bond?
a) Alcohol
b) Aldehyde
c) Thiol
d) Ether
Answer: c) Thiol
What is the general formula for a sulfide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains a sulfur atom bonded to two carbon atoms?
a) Alcohol
b) Aldehyde
c) Sulfide
d) Thiol
Answer: c) Sulfide
What is the general formula for an acyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Acyl halide
What is the general formula for an anhydride?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Anhydride
What is the general formula for a vinyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n
Which functional group contains a carbon-carbon double bond and a halogen atom?
a) Alcohol
b) Aldehyde
c) Vinyl halide
d) Ether
Answer: c) Vinyl halide
What is the general formula for an alkyl halide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains a halogen atom bonded to a carbon atom?
a) Alcohol
b) Aldehyde
c) Alkyl halide
d) Ether
Answer: c) Alkyl halide
What is the general formula for a tosylate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Tosylate
What is the general formula for a sulfonate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains a sulfonic acid group (-SO3H)?
a) Alcohol
b) Aldehyde
c) Sulfonate
d) Ether
Answer: c) Sulfonate
What is the general formula for a phosphate ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Phosphate ester
What is the general formula for a carbamate?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: d) CnHn+2
Which functional group contains an amine group bonded to a carbonyl group (-NHCOO-)?
a) Alcohol
b) Aldehyde
c) Carbamate
d) Ether
Answer: c) Carbamate
What is the general formula for a carbonate ester?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: 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
Answer: c) Carbonate ester
What is the general formula for an imine?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n
Which functional group contains a nitrogen atom bonded to a carbon atom by a double bond?
a) Alcohol
b) Aldehyde
c) Imine
d) Ether
Answer: c) Imine
What is the general formula for a nitro compound?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: a) CnH2n
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
Answer: c) Nitro compound
What is the general formula for a diazo compound?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n
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
Answer: c) Diazo compound
What is the general formula for an azide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: b) CnH2n
Which functional group contains a nitrogen atom bonded to three other nitrogen atoms?
a) Alcohol
b) Aldehyde
c) Azide
d) Ether
Answer: c) Azide
What is the general formula for a peroxide?
a) CnH2n
b) CnH2n+2
c) CnHn
d) CnHn+2
Answer: c) CnHn
