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Organic Reaction Mechanisms I: Nucleophiles and Carbonyl Addition

275 questions in 10 topics. 55 NEET level, 110 JEE Main, 110 JEE Advanced. Every question was written for this chapter and solved independently a second time before publication.

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Electrophiles, nucleophiles, nucleophilicity and leaving groups 28

Which of the following species is an electrophile?
Which halide ion is the best leaving group when it is displaced from a primary alkyl halide R-X in an S_N2 rea...
Which of the following is the poorest leaving group?
Which of the following is an ambident nucleophile (can attack through two different atoms)?
Alcohols react with concentrated HBr much faster than with NaBr alone because
Between CH3O- and CH3OH, which is the stronger nucleophile in the same solvent, and why?
Four substrates CH3-X are treated with Br- under identical S_N2 conditions. The fastest reaction is shown by
The pKa values of the conjugate acids are: CH3OH 15.5, C6H5OH 10.0, p-O2N-C6H4-OH 7.15, CH3COOH 4.76. For the ...
All 28 questions on this topic

Solvent effects on reactions 27

Nucleophilic addition to aldehydes and ketones 55

Organic Reaction Mechanisms I: Nucleophiles and Carbonyl Addition

Electrophiles, nucleophiles, nucleophilicity and leaving groups 28

Solvent effects on reactions 27

Nucleophilic addition to aldehydes and ketones 55

Addition of cyanide, bisulphite, Grignard reagents 28

Formation of acetals, imines and enamines 27

Nucleophilic acyl substitution of carboxylic acid derivatives 55

Grignard, cyanide and hydride addition products 14

Acetal, imine and enamine formation 14

Carbonyl reactivity and acyl substitution 14

Stereochemistry of carbonyl addition 13