Chemistry
The pH of 0.1 M solution of the following salts increases in the order
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Nov
The pH of 0.1 M solution of the following salts increases in the order The pH of 0.1 M solution of the following salts increases in the order November 17, 2020 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,
For a sparingly soluble salt ApBq, the relationship of its solubility product Ls with its solubility (S) is
17
Nov
For a sparingly soluble salt ApBq, the relationship of its solubility product Ls with its solubility (S) is For a sparingly soluble salt ApBq the relationship of its solubility product Ls with its solubility (S) is November 17, 2020 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved [...]
Identify the correct order of solubility of Na2S,CaS and ZnS in aqueous medium.
17
Nov
Identify the correct order of solubility of Na2S,CaS and ZnS in aqueous medium. CaS and ZnS in aqueous medium. Identify the correct order of solubility of Na2S November 17, 2020 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,
A solution which is 10^−3M each in Mn^2+, Fe^2+,Zn^2+, and Hg^2+ it treated with 10^−16M sulphide ion. If the Ksp of MnS, FeS, ZnS and HgS are 10^−15,10^−23,10^−20,and 10^−54, respectively, which one will precipitate first?
17
Nov
A solution which is 10^−3M each in Mn^2+, Fe^2+,Zn^2+, and Hg^2+ it treated with 10^−16M sulphide ion. If the Ksp of MnS, FeS, ZnS and HgS are 10^−15,10^−23,10^−20,and 10^−54, respectively, which one will precipitate first? 10^−20 10^−23 A solution which is 10^−3M each in Mn^2+ and 10^−54 and Hg^2+ it treated with 10^−16M sulphide ion. [...]
HX is a weak acid ( Ka=10^−5 ).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is
17
Nov
HX is a weak acid ( Ka=10^−5 ).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is HX is a weak acid ( Ka=10^−5 ).lt forms a salt Na (0.1M) on reacting with caustic soda. The degree of hydrolysis of Na X is November 17, 2020 [...]
CH3NH2 (0.1 mole, kb = 5 x 10^-4 ) is added to 0.08 moles of HCl and the solution is diluted to 1 litre , resulting hydrogen ion concentration is
17
Nov
CH3NH2 (0.1 mole, kb = 5 x 10^-4 ) is added to 0.08 moles of HCl and the solution is diluted to 1 litre , resulting hydrogen ion concentration is CH3NH2 (0.1 mole kb = 5 x 10^-4 ) is added to 0.08 moles of HCl and the solution is diluted to 1 litre resulting [...]
2.5 ml of 2/5 M weak monoacidic base (Kp=1×10^−12 at 25^∘ C) is titrated with 2/15 M HCI in water at 25^∘ C. The concentration of H ‘ at equivalence point is (Ksp=1×10^−14 at 25^∘C)
17
Nov
2.5 ml of 2/5 M weak monoacidic base (Kp=1×10^−12 at 25^∘ C) is titrated with 2/15 M HCI in water at 25^∘ C. The concentration of H ‘ at equivalence point is (Ksp=1×10^−14 at 25^∘C) 2.5 ml of 2/5 M weak monoacidic base (Kp=1×10^−12 at 25^∘ C) is titrated with 2/15 M HCI in water [...]
Solubility product constant ( Ksp )of salts of types MX1,MX2 and M3X at temperature -T are 4.0×10^−8,3.2×10^−14 and 2.7×10^−15, respectively. Solubilities (mol dm^−3 ) of the salts at temperature T” are in the order
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Nov
Solubility product constant ( Ksp )of salts of types MX1,MX2 and M3X at temperature -T are 4.0×10^−8,3.2×10^−14 and 2.7×10^−15, respectively. Solubilities (mol dm^−3 ) of the salts at temperature T” are in the order 3.2×10^−14 and 2.7×10^−15 MX2 and M3X at temperature -T are 4.0×10^−8 respectively. Solubilities (mol dm^−3 ) of the salts at temperature [...]
How many litres of water must be added to 1L of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2?
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Nov
How many litres of water must be added to 1L of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2? > How many litres of water must be added to 1L of an aqueous solution of HCl with a pH of 1 to create an [...]
pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is :
17
Nov
pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is : pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4 respectively. The pH of their salt (AB) solution is : November [...]