Passing H 2 S gas into a mixture of Mn 2+ , Ni 2+ , Cu 2+ and Hg 2+ ions in an acidified…
Chemistry · JEE Advanced · NTA Exams — Equilibrium
Passing H2S gas into a mixture of Mn2+, Ni2+, Cu2+ and Hg2+ ions in an acidified aqueous solution precipitates. (2011)
- CuS and HgS
- MnS and CuS
- MnS and NiS
- NiS and HgS
Answer
(A) CuS and HgS
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- HX is a weak acid (K a = 10 –5 ). It forms a salt NaX (0.1 M) on reacting with caustic soda. The degree of…
- When two reactants, A and B are mixed to give products C and D , the reaction quotient Q , at the initial…
- When equal volumes of the following solutions are mixed, precipitation of AgCl (K sp = 1.8 × 10 –10 ) will…
- A weak acid HX has the dissociation constant 1 × 10 –5 M. It forms a salt NaX on reaction with alkali. The…
- The species present in solution when CO 2 is dissolved in water are (2006)
- At 90ºC, pure water has [H 3 O + ] as 10 –6 mol L –1 . What is the value of K w at 90ºC ? (1981)
- Which of the following statements is/are correct about the ionic product of water ?
- Calculate the [NH 3 ]/[NH 4 + ] ratio in an ammonia-ammonium chloride buffer with a pH of 9.00 . (K b = 1.8 ×…