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Hydrochloric Acid

8.Correct aci...

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8.Correct acidic strength in water-HClO4,HCl,HNO3,H2SO4

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H C l O_{4}, H N O_{3}

H C l

are all very strong acids in aqueous solutions. In glacial acetic acid medium, their acid strength is such that:

Q. Assertion :It is difficult to distinguish the strengths of the strong acids such as

H C l

H_{2} S O_{4}, H N O_{3}

H B r

H I

H C l O_{4}

in dilute aqueous solutions. Reason: In dilute aqueous solution all strong acids donate a proton to water and are essentially

100

% ionised to produce a solution containing

H_{3} O^{+}

ions plus the anions of strong acid.

Q. Some examples of organic acids are

HCl, H_{2} {SO}_{4} and {HNO}_{3}

.

Classify the following substances as acidic, basic and neutral.

HCl, NaCl, MgO, KCl, CaO, H₂SO₄, HNO₃, H₂O, Na₂CO₃

Q. Among the following acids, if number of acids stronger than

H_{3} P O_{4}

x

and number of monobasic acid is

y

\frac{x}{y}

H_{2} C O_{3}, H_{3} P O_{3}, C H_{3} C O O H, H_{2} S O_{4}, H_{3} P O_{2}, H_{4} P_{2} O_{7}, H C l O_{4}, H_{3} B O_{3}, H N O_{3} .

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