ChemistryHardHigh School (11–12)Organic Chemistry: Some Basic Principles and Techniques › Classification, IUPAC Nomenclature and IsomerismNEET
Created by StemPy LabA student names five compounds that each carry two groups. Read the names. (i) is 3-hydroxybutanoic acid. (ii) is 3-cyanopropanal, because the aldehyde group ranks above the nitrile group. (iii) is 3-oxobutanamide. (iv) is 2-methoxyethan-1-ol. (v) is prop-1-en-3-ol, since the double bond gets the lowest locant. How many of the statements above are correct?
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← The figure shows the bond-line formula of a compound with a carbon-carbon double bond, a ketone group and an alcohol group. To name it, a student must choose the principal group by NCERT's order of priority, number the chain so that the locants come out right, and then write the prefixes in alphabetical order. What is the IUPAC name of the compound?The figure shows four pairs of compounds, A to D, drawn as bond-line formulas. The two compounds of each pair have the same molecular formula. Match each pair in List-I with the kind of structural isomerism it shows in List-II.
List-I (Pair)
A. Pair A, first row of the figure
B. Pair B, second row
C. Pair C, third row
D. Pair D, fourth row
List-II (Kind of isomerism)
I. Functional group isomerism
II. Chain isomerism
III. Metamerism
IV. Position isomerism →
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