Concept explainers
(a)
Interpretation:
Among the following, the compound that is not more acidic than Water has to be identified.
Concept Introduction:
Curved arrows: Curved arrows are used to show the direction of electrons movement. It has a tail (the source of electrons, usually lone pair or bonding pair from a sigma or pi-bond) and head (the destination of electrons, usually forming new lone pair on atom or a new bond). Electrons always flow from high electron density to low electron density.
Conjugate base stability: As the acid deprotonates, the stability of conjugate base formed is analyzed on the basis of electronegativity.
(b)
Interpretation:
The position of equilibrium for the given reaction has to be predicted.
Concept Introduction:
Predicting position of equilibrium: By comparing the conjugate bases using their structures, the position of equilibrium can be predicted. The equilibrium favors towards the most stabilized negative charge of conjugate base.
For example:
In the above reaction if
Using
Using
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