# 1Pilihan gandaWhat is the functional group present in alcohols?Hydroxyl group (-OH)Carboxyl group (-COOH)Amino group (-NH2)Carbonyl group (C=O)
# 2Pilihan gandaWhich functional group characterizes carboxylic acids?Nitro group (-NO2)Carboxyl group (-COOH)Ester group (-COO-)Amide group (-CONH2)
# 3Pilihan gandaWhat is the correct IUPAC name for a compound with the molecular formula C2H6O?EthanolMethanolPropanolButanol
# 4Pilihan gandaWhich functional group is present in aldehydes?Carbonyl group (C=O)Hydroxyl group (-OH)Sulfur group (-SH)Ketone group
# 5Pilihan gandaWhich of the following compounds is an example of a ketone?AcetoneAcetic acidMethanolEthylene
# 6Pilihan gandaWhat is the IUPAC name for CH3COOH?Methanoic acidEthanoic acidPropanoic acidButanoic acid
# 7Pilihan gandaWhat functional group is found in amines?Amino group (-NH2)Ether group (R-O-R')Nitrile group (-CN)Sulfonic group (-SO3H)
# 8Pilihan gandaWhich functional group is present in esters?Ester group (-COO-)Carbonyl group (C=O)Hydroxyl group (-OH)Carboxyl group (-COOH)
# 9Pilihan gandaWhich of the following is an organic compound with an ether group?Diethyl etherFormaldehydeBenzeneButanol
# 10Pilihan gandaWhat is the IUPAC name for the compound CH3CH2NH2?EthanamineEthylamineMethylaminePropylamine