Organic Chemistry

Reagents, Reaction Mechanisms & Named Reactions

19 questions in this chapter.

Study loop for Reagents, Reaction Mechanisms & Named Reactions

1. Practise the PYQsPrevious-year questions, with answers

Carbonyl Chemistry

ABC26OR0414 · E1cb mechanism is followed in the reaction of: · DEC 2019

Reagents, Reaction Mechanisms & Named Reactions – General

ABC26OR0627 · (E)-3-bromo-3-hexene when treated with CH3O- in CH3OH gives · 2000-2022
ABC26OR0857 · The rate of nitration of the following aromatic compounds decreases in the order (i) benzene (ii) pyridine (iii) thiophene (iv) toluene · 2005-2022
ABC26OR0833 · The reaction of (+) 2-iodobutane and NaI * (I* is radioactive isotope of iodine) in acetate was studied by measuring the rate of… · 2005-2022
ABC26OR0860 · The product of the reaction C6H6+CO+HCl[heat]AlCl3/Cu2Cl2 gives positive test with Fehling’s solution. The product is · 2005-2022 self-practice
ABC26OR0631 · Arrange the following halides in the decreasing order of SN1 reactivity CH3CH2CH2Cl, CH2=CHCH(Cl)CH3, CH3CH2CH(Cl)CH3 · 2000-2022 self-practice
ABC26OR0666 · The result of the reduction of either (R) or (S) 2-methylcyclohexanone, in separate reactions, using LiAlH4 is that the reduction of · 2000-2022
ABC26OR0890 · The correct set of reagents required for the following transformation is · 2005-2022
ABC26OR0891 · Identify the correct reagents required for the following transformation · 2005-2022
ABC26OR0841 · R(-)2–Bromooctane on treatment with aqueous KOH mainly gives 2-octanol that is: · 2005-2022
ABC26OR0894 · The appropriate reagents required for carrying out the following transformation are · 2005-2022
ABC26OR0896 · The following conversion is carried out using · 2005-2022
ABC26OR0642 · Classify the following species as electrophiles (E) and nucleophiles (N) in routine organic synthesis SO3 Cl^+ CH3NH2 H3O^+ BH3 CN^- · 2000-2022 self-practice
ABC26OR0645 · In the reaction, Ph3P MeI [X] n-BuLi [Y], the compounds X and Y, respectively are · 2000-2022
ABC26OR0646 · The decreasing order of nucleophilicity for the following anions is CH3 CO2-, CH3 O-, C6 H4 O-, NO3- · 2000-2022
ABC26OR0876 · The number of possible monoalkylated products formed in the Friedel-Crafts reaction of anisole with 2-chloro-3-methylbutane in the presence… · 2005-2022
ABC26OR0654 · The major product obtained in the following reaction, is H-C≡ C-CH2OH (i) LiNH2 (2 equiv.)/liq. NH3 (ii) C2H5Br (1 equiv.) (iii) H3O+ · 2000-2022 self-practice
ABC26OR0704 · In a company, 35% of the employees drink coffee, 40% of the employees drink tea and 10% of the employees drink both and coffee. What% of… · 2000-2022 self-practice
ABC26OR0388 · Both 1-chloro-1-phenylpropan-2-one and 1-chloro-3-phenylpropan-2-one give same product A when heated in presence of NaOMe. The product A is · DEC 2018