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HClO is a weak acid. concentration of $ H^+ ion in 0.1 M solution of HClO (Ka = 5 \times 10^{-8} ) $ will be
$ Co = 0.1 M Ka = 5 \times 10 ^{-8} $ $ [H ^ + ]= \sqrt {Ka.CO} $ $ = (5 \times 10 ^ {-8} \times 0.1) ^{ 1/2} = (50 \times 10 ^ {-10} ) ^ {1/2} = 7.07 \times 10 ^ {-5 } M. $
$ NH_4Cl$ is acidic because
$NH_4Cl$ is acidic because, upon hydrolysis, it gives a weak base ($NH_4OH$) and a strong acid (HCl). The hydrolysis reaction is: $NH_4Cl + H_2O ightarrow NH_4OH + HCl$ Since $HCl$ is a strong acid and completely dissociates in water, it makes the solution acidic.
100 ml of 0.04 N HCl aqueous solution is mixed with 100 mlof 0.02 N NaOH solution. The $ P^H $ of resulting solution is
The most abundant metal in the earth crust
The impurities associated are
An ore after concentration was found to have basic impurities. The flux which can be used is
Choose the correct statement
A metal oxide is reduced with a metal, $M_1$ of pd 3 & Gp13. The process is known as & the metal is
Diaspore & Corundum are ores of ______ & ______
Choose the correct option
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