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What is the formula for the conjugate base of the strong acid HClO4?
To find the conjugate base of each substance remove one proton (H+) from the formula of the substance. Thus, the conjugate of the HClO4 is ClO4- .
What is the formula for the strongest conjugate base?
-Hence $C{H_3}CO{O^ – }$ will be the strongest conjugate base because it has been formed from the weakest acid ($C{H_3}COOH$). Note: The concept of conjugate acids and bases belongs to the Bronsted-Lowry theory of acids and bases.
What is the formula for conjugate?
The formula of the conjugate base is the formula of the acid less one hydrogen. The reacting base becomes its conjugate acid. The formula of the conjugate acid is the formula of the base plus one hydrogen ion. Let us illustrate this system using the neutralization of hydrochloric acid with sodium hydroxide.
Why is HClO4 strong acid?
The HClO4 has the most oxygen atoms so it would have to be the strongest acid.
Are HClO4 and ClO4 conjugate pairs?
In this equation HClO4 has donated a proton to H2O so HClO4 is acting as an acid and as H2O is accepting a proton so H2O is a base. ClO4- on the other side can accept a proton so ClO4- is a base but its a conjugate base to acid HClO4 since it is generatd by losing a proton from HClO4 .
What is the conjugate base of a strong acid?
weak base
Conjugate Base of a Strong Acid The conjugate base of an acid, is the ion that results when the acid loses a proton. For example, the conjugate base of HCl is the chloride ion, Cl–. The conjugate base of a strong acid is a very weak base.
Which acid has the strongest conjugate base?
In this example, the order of strongest conjugate bases from weakest to strongest would be F-, HCOOH, CH3COOH, HClO, I-. Therefore the acid that produces the strongest conjugate base would be HIO.
Why is HClO4 stronger acid than HClO?
HClO4 is a stronger acid than HClO. This is because ClO−4ClO4- is a weaker conjugate base than ClO−. In ClO−4ClO4-, the negative charge is spread over four oxygen atoms owing to resonance. Hence, it is more stable than ClO−.
Is HClO4 a conjugate base or acid?
HClO4 is an acid. It liberates the H+ ions when dissolved in the solution, therefore, increasing the concentration of hydrogen ions in the solution, making it acidic. The conjugate base of HClO4 is a Perchlorate ion (ClO4–). It is formed after the removal of one proton from Perchloric acid (HClO4).
Is HCl or HClO4 a stronger acid?
Why is conjugate base of strong acid weak?
This bond is usually with an H+ . Therefore, a strong Lewis acid forms its conjugate Lewis base easily. Because the Lewis base forms easily, it does not strongly want to donate its electron pair (that it just received) to get a proton. That makes it a weak (Lewis) base.
How do you find the conjugate base of a weak acid?
The conjugate base is the acid minus its proton. A strong acid is completely dissociated in water while a weak acid is in equilibrium with its conjugate base in water.
Why is the conjugate base of a strong acid weak?
Is the conjugate base of a weak acid strong?
Each pKa unit represents a 10-fold difference in acidity or basicity. The weaker an acid, the stronger is its conjugate base; the stronger an acid, the weaker is its conjugate base. For example, HCl is a very strong acid; it gives up its proton readily; its conjugate base, Cl–, has very little affinity for H+.
Which is stronger HClO or HClO4?
Most acidic: HClO4 > HClO3 > HClO2 > HClO. For a series of oxyacids with the same number of oxygens but with different central atoms such as HOBr, HOCl, HOI, as the electronegativity of the central atom increases, the O-H bond strength weakens and the acidity increases.
Which is more stronger HClO4 or H2SO4?
oxyacids. …it can be predicted that perchloric acid, HClO4, is a stronger acid than sulfuric acid, H2SO4, which should be a stronger acid than phosphoric acid, H3PO4. For a given nonmetal central atom, the acid strength increases as the oxidation number of the central atom increases.
Which has the strongest conjugate base?
⚛ A weak Brønsted-Lowry acid has a strong conjugate base. ⚛ A strong Brønsted-Lowry base has a weak conjugate acid. ⚛ A weak Brønsted-Lowry base has a strong conjugate acid. ⚛ A moderately weak Brønsted-Lowry acid has a moderately weak conjugate acid, and a moderately weak Brønsted-Lowry base has a moderately weak conjugate acid..
How to calculate conjugate base?
– Both cation and anion are neutral: neutral. – Cation is neutral but anion basic: basic. – Cation is neutral but anion basic: basic. – Cation is acidic and anion neutral: acidic. – Cation is neutral but anion acidic: acidic. – Cation is acidic but anion neutral: acidic.
Is HClO4 a strong base?
This means the conj base of HCl, the Cl- anion, is an extremely weak base and in fact does not act as a base in water (gives a neutral solution). Why HClO4 is a strong acid? HClO 4 is a stronger acid than HClO. This is because ClO−4ClO4- is a weaker conjugate base than ClO −. In ClO−4ClO4-, the negative charge is spread over four oxygen atoms owing to resonance.
How to conjugate the base of HsO4?
In order to get the conjugate acid of any base, add H+ to the base. Accordingly, the conjugate acid of HSO4- is H2SO4. Also, HSO4- is the conjugate acid of SO4–2. If you add H+ to SO4–2, you get HSO4-. You see, HSO4- is a base compared to H2SO4, but is an acid compared to SO4–2.