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1.mixture X of 0.02 mole of[Co(NH\(_3\))\(_5\)SO\(_4\)]Br and 0.02 mole of [Co(NH\(_3\))Br]SO\(_4\) was prepared in 2 litre of solution. 1 litre of mixture X+excess of AgNo\(_3\)= Y 1Litre of mixture X+ excess of BaCl\(_2\) = Z Number of moles of Y or Z respectively
(a) 0.01,0.02
(b) 0.02,0.01
(c) 0.01,0.01
(d) 0.02,0.02 2.100mL 0.01M solution of complex compound Ir Br\(_3\).5NH\(_3\) was treated with excess of AgNO\(_3\) solution and precipitate of AgBr was obtained, then number of moles of AgBr obtained is.
(a) 0.01
(b) 0.001
(c) 0.02
(d) 0.002
Updated Fri, 13 Sep 2019 08:29 am
Excess of carbon dioxide is passed through 50 mL of 0.5M calcium hydroxide solution. After the completion of the reaction, the solution was evaporated to dryness. The solid calcium carbonate was completely neutralised with 0.1 N hydrochloric acid. The volume of hydrochloric acid required is (At. mass of calcium = 40)
(a) 200 cm\(^3\)
(b) 500 cm\(^3\)
(c) 400 cm\(^3\)
(d) 300 cm\(^3\)
Updated Thu, 12 Sep 2019 08:29 am
