Basic Principles of Organic Chemistry — Important Questions
Maharashtra Board · Class 11 · Chemistry
45 important questions from Basic Principles of Organic Chemistry for Maharashtra Board Class 11 Chemistry, with answers.
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Important Questions from Basic Principles of Organic Chemistry
Which functional groups can appear both as prefix and suffix in IUPAC nomenclature? (Select all correct)
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Alcohol (-OH), Aldehyde (-CHO), Carboxylic acid (-COOH)
Alcohol, aldehyde, and carboxylic acid can appear as both prefix (hydroxy, formyl, carboxy) and suffix (-ol, -al, -oic acid). Nitro and halogen groups appear only as prefixes.
Which type of isomerism occurs when compounds have the same molecular formula but different functional groups?
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Functional group isomerism
Functional group isomerism occurs when compounds have the same molecular formula but different functional groups, like ethyl alcohol (C₂H₆O) and dimethyl ether (C₂H₆O).
In homolytic cleavage, what happens to the bond electrons?
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One electron goes to each atom
In homolytic cleavage, the bond breaks such that one electron from the bond pair goes to each of the two atoms, forming free radicals.
Which of the following shows negative inductive effect (-I effect)? (Select all correct)
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-Cl (Chloro), -NO₂ (Nitro), -CN (Cyano)
Groups that are more electronegative than carbon show -I effect by withdrawing electron density. -Cl, -NO₂, and -CN are electron-withdrawing groups. Alkyl groups like -CH₃ and -C₂H₅ show +I effect.
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