Some Basic Principles Of Organic Chemistry Questions

31 Practice QuestionsStart Practicing Now

[Medium]Para-nitrophenol is a markedly stronger acid than phenol itself; which electronic interaction is mainly responsible for this enhanced acidity?...
[Medium]A saturated acyclic compound has the molecular formula C_5H_12; how many distinct structural isomers can be drawn for this alkane?...
[Medium]Comparing ammonia with methylamine in the gas-free conceptual sense of electron availability, why is methylamine the stronger base of the two?...
[Medium]In keto-enol tautomerism, the interconversion between the two forms specifically involves the migration of which atom along with a shift of bonding?...
[Medium]For a planar cyclic molecule with a continuous ring of overlapping p orbitals, what number of delocalised pi electrons satisfies the Huckel criterion ...
[Medium]When a hydrogen atom is abstracted from different positions of an alkane, which type of carbon free radical produced is generally the most stable?...
[Medium]The stability conferred by hyperconjugation depends on alpha hydrogens; how many hyperconjugative structures can be drawn for the tertiary butyl catio...
[Easy]A chemist isolates a four-carbon straight chain bearing an aldehyde group at one terminal carbon; what is its correct IUPAC name?...
[Medium]Three acids fluoroacetic, chloroacetic, and acetic acid are compared; which sequence correctly arranges them in order of decreasing acid strength?...
[Medium]While comparing contributing resonance structures of a conjugated species, which feature makes one canonical form contribute more to the resonance hyb...
[Medium]Considering electronic effects that disperse positive charge, which carbocation is expected to be the most stable among the four listed below?...
[Easy]In a molecule of propyne, the two carbon atoms joined by the triple bond adopt which hybridisation state to accommodate that bonding?...
[Easy]A hydrocarbon has the molecular formula C_6H_10; how many degrees of unsaturation does this molecule possess in total?...
[Easy]Replacing a hydrogen of acetic acid with a strongly electron-withdrawing chlorine atom changes its acid strength in which observable direction?...
[Easy]Among the following reactive species, which one acts as a nucleophile because it can donate an electron pair to an electron-deficient centre?...
[Easy]When a covalent bond breaks so that both shared electrons leave with one atom forming oppositely charged ions, what type of cleavage has occurred?...
[Easy]The functional group present in ketones is:...
[Easy]Homolytic cleavage of C-C bond produces:...
[Easy]Members of a homologous series differ by:...
[Medium]Metamerism is shown by:...
[Medium]Keto-enol tautomerism is shown by:...
[Easy]The stability order of free radicals is:...
[Easy]A compound is optically active if it:...
[Medium]E-Z nomenclature is used for:...
[Easy]Which of the following shows resonance?...
[Easy]The IUPAC name of CH₃-CH(CH₃)-CH₂-CH₃ is:...
[Easy]Which of the following is a nucleophile?...
[Easy]The order of stability of carbocations is:...
[Easy]The -I (negative inductive) effect is shown by:...
[Medium]Hyperconjugation involves orbital overlap between:...
[Easy]How many structural isomers are possible for C₅H₁₂?...