Nomenclature with functional groups and priority order

55 questions on Nomenclature with functional groups and priority order from the IUPAC Nomenclature and Structural Isomerism chapter: 11 NEET level, 22 JEE Main, 22 JEE Advanced. Each one opens with its answer and solution.

• Select the correct statements about the degree of unsaturation (DU) of the named compounds. JEE Advanced level
• The IUPAC name of CH3-CO-O-CO-CH2CH3 is: JEE Main level
• The IUPAC name of CH3-O-CH2CH2CH2-OH is: JEE Main level
• The compound 3-cyano-4-oxohex-2-enoic acid contains a carboxylic acid, a C=C, a nitrile and a ketone in one open chain. Its molecular formula is C7H7NO3. Calcul... JEE Main level
• Count the open-chain structural isomers of molecular formula C4H8O2 that are either carboxylic acids or esters (structural isomers only, no stereoisomers). JEE Advanced level
• The IUPAC name of CH3-CO-CH2-CHO is: NEET level
• The IUPAC name of CH2=CH-CH2-CO-Cl is: JEE Advanced level
• The molecular formula of ethanoic 2-methylpropanoic anhydride is: JEE Advanced level
• The IUPAC name of CH3-CH=CH-CH2-OH is: JEE Main level
• Select the correct statements about IUPAC names. JEE Advanced level
• The IUPAC name of CH3CH2-CO-O-CH(CH3)2 is: JEE Main level
• The IUPAC name of CH3-CH(NH2)-CH3 is: NEET level
• Select the correct statements about accepted common names and their systematic equivalents. JEE Main level
• Select the correct statements about prefixes, suffixes and ring compounds. JEE Main level
• Select the correct statements about nitriles and isonitriles. JEE Advanced level
• The IUPAC name of HO-CH2-CH2-COOH is: NEET level
• The IUPAC name of CH3-CO-NH-CH2-CH3 is: JEE Main level
• The IUPAC name of NC-CH2-CH2-COOH is: JEE Main level
• The IUPAC name of HOCH2-CH2-CH(CH3)-CH=CH2 is: JEE Main level
• The IUPAC name of CH2=CH-CH(OH)-C#C-CH3 is: JEE Advanced level
• The IUPAC name of CH3-CH(NH2)-CH2-OH is: JEE Main level
• The IUPAC name of CH3-CO-N(CH3)2 is: JEE Main level
• The IUPAC name of HOOC-CH2-CH(OH)-CHO is: JEE Advanced level
• Select the correct statements about alphabetical order of prefixes. JEE Advanced level
• Select the correct IUPAC names. JEE Advanced level
• The IUPAC name of CH3-CO-Cl is: NEET level
• The IUPAC name of CH3-O-CH2-CH3 is: NEET level
• The IUPAC name of CH2=CH-CH2-CH(OH)-CH3 is: JEE Main level
• The IUPAC name of (CH3)2CH-CH2-CO-NH-CH3 is: JEE Advanced level
• Select the correct statements about anhydrides and acyl halides. JEE Advanced level
• Select the correct statements about the number of structural isomers (no stereoisomers). JEE Advanced level
• A benzene ring carries a -COOH group and a -COOCH_3 group in the 1,4 (para) positions. Its IUPAC name is: JEE Main level
• The IUPAC name of (CH3CO)2O is: NEET level
• The IUPAC name of CH3-CO-NH2 is: NEET level
• A cyclohexene ring bears an OH group on a ring carbon directly attached to a C=C carbon, and a methyl group on the ring carbon para (1,4) to the OH-bearing carb... JEE Advanced level
• The IUPAC name of CH3CH2-COO-CH3 is: NEET level
• The IUPAC name of CH3-CH(Cl)-CH2-COOH is: JEE Main level
• Which structure corresponds to ethyl 3-hydroxy-2-methylbutanoate? JEE Advanced level
• Which of the following is methyl 2-methylpropanoate? JEE Main level
• The IUPAC name of CH3-CO-CH2-CH2-CHO is: JEE Main level
• The IUPAC name of CH3CH2-CN is: NEET level
• A benzene ring bears a -COOH group and a -CONH_2 group in the 1,4 (para) positions. The IUPAC name is: JEE Advanced level
• The IUPAC name of CH3-CH=C(CH3)-COOH is: JEE Main level
• The IUPAC name of O2N-CH2-CH2-OH is: NEET level
• The IUPAC name of (CH3)2CH-CH2-CO-CH3 is: JEE Main level
• The IUPAC name of CH3CH2-O-CH(CH3)-CH2-CH3 is: JEE Advanced level
• The IUPAC name of CH3-CH(Br)-CH(Cl)-CH3 is: JEE Main level
• The IUPAC name of CH3-CO-CH=CH-CH2-OH is: JEE Advanced level
• The IUPAC name of CH3CH2-NC (the nitrogen is bonded to the ethyl group) is: JEE Main level
• The IUPAC name of CH3-CH=CH-CH(CH3)-CH2-COOH is: JEE Advanced level
• The IUPAC name of NC-CH2-CH2-COO-CH3 is: JEE Advanced level
• Select the correct statements about the IUPAC names of the compounds shown. JEE Main level
• The IUPAC name of CH3-CH(OH)-CHO is: NEET level
• The IUPAC name of HOCH2-CH2-CH(Cl)-CH(CH3)-CH2-CH3 is: JEE Advanced level
• Select the statements that correctly identify which group is cited as a prefix (not the suffix) in the named compound. JEE Advanced level