2g of NaOH per 250mL of solution is added to a buffer solution of buffer capacity 0.2. Then the change in pH is
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The dissociation equilibrium of a gas AB, can be represented as The degree of dissociation is x and is small compared to 1. The expression relating the degree of dissociation (x) with equilibrium constant K,, and total pressure p is
What is the correct relationship between the pH of isomolar solutions of sodium oxide (pH1), sodium sulphide (pH2), sodium selenide (pH3) , and sodium telluride (pH4) ?
The solubility of calcium fluoride in saturated solution, it its solubility product is 3.2×10−11 is :
H2S gas when passed through a solution of cations containing HCl precipitates the cations of second group in qualitative analysis but not those belonging to the fourth group. It is because
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A compound whose aqueous solution will have the highest pH
What is the pH of the resulting solution when equal volumes of 0.1MNaOH and 0.01MHCl are mixed?