Rank the compounds in each group in order of increasing acidity.
a. The order of acidity of the compounds is2, 3, and 1 (from left to right). Here, 2 is the most acidic and 1 is the least.
b. The order of acidity of the given compounds is 1, 2, and 3 (from left to right).
c. The acidity of the given compounds is 3, 1, and 2 (from left to right).
The strength of an acid is determined by the ‘ease or speed’ with which an ion is dissociated.
Acidity increases from left to right across a period. The molecules consisting of hydrogen atoms bonded to elements present on the farther right of the periodic table are more acidic than others.
The acidity of hydrogen increases as the electronegativity of the atom bonded to it increases.
The given compounds consist of carbon-hydrogen (C-H), oxygen-hydrogen (O-H), and nitrogen-hydrogen (N-H) bonds.
Since oxygen is more electronegative than carbon and nitrogen, the compound consisting of oxygen-hydrogen (O-H) atom will be the most acidic, followed by the compound with nitrogen-hydrogen (N-H), then and carbon-hydrogen (C-H) bond.
Therefore, the order of the given compounds is .
Among the given compounds, 1 and 2 are carboxylic acids, and 3 is alcohol.
Since alcohols are less acidic than carboxylic acids, compound 3 is the least acidic.
Compound 1 is more acidic than compound 2 as it consists of the electronegative bromine atom.
The order of acidity of the given acids is .
Compound 1 consists of nitrogen-hydrogen (N-H), compound 2 consists of carbon-hydrogen (C-H), and compound 3 consist of an oxygen-hydrogen (O-H) bond.
The order of acidity of the given compounds is in the order .
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