CHM203 Tma Solutions
solvation of the ionized species which are the conjugate acid and the conjugate base when dealing with Bronsted acids and bases is as a result of _____
—>> presence of a solvent in acid-base reactions
absence of a solvent in acid-base reactions
presence of a solute in acid-base reactions
absence of a solute in acid-base reactions
One of these is the most basic among the methylamines due to the electron-donating inductive effect of a methyl group in the gas phase or nonaqueous media
—>> trimethylamine
tetramethylamine
pentamethylamine
hexamethylamine
______ is the rapid and reversible interconversion of isomers which are related to each other with the actual movement of electrons as well as of one or more atoms
trimerism
structrula conversion
geomerism
—>> tautomerism
One of these is a main area for attack by halogen offered by Alkylbenzenes
side catalyst
back bone chain
—>> side chain
back bone
electron withdrawing substituents when attached to benzene are ______
para directing
ortho directing
—>> meta directing
central directing
A case whereby a proton tautomerism leads to the formation of a ring in one of the tautomers is referred to as ______
ring tautomerism
—>> ring-chain tautomerism
chain-ring tautomerism
chain tautomerism
A phenomenal effect arising from the spatial interactions between the groups is _____called
group effect
chemical shift
—>> steric effect
chemical effect
_____ involves a shift in interatomic distance within a molecule, without the separation of any atom from the rest of the molecule, as an intermediate stage
—>> valence tautomerism
shift tautomerism
atomic tautomerism
molecular tautomerism
The process of obtaining aromatic hydrocarbons by passing alkanes over platinum catalyst at 750-820 K is called ____
—>> catalytic reforming
thermal reforming
catalytic aromaticity
thermal aromaticity
Lewis definition classifies acids as ______
neutron pair acceptor
electric pair acceptor
electron pair donors
—>> electron pair acceptors
JOIN OUR TELEGRAM ON VIP NOUN UPDATES – FOR FREE CHM203 PAST QUESTIONS AND EXAMS SUMMARIES
