(iv) Candidates will be awarded marks as stated above for correct response of each question.
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( ) 4,2 2 o F 1 Q Q 4 2d d d 2d 2 q Q Q 2 q Q 2 2 or Q 2 2 q Q q Q F42 F43 F41 q *21.At what concentration of Ba2 will a precipitate begin to form?(Ksp for Ba CO3.1 10 9 ).Which one of the following reactions of Xenon compounds is not feasible?From Paschen, Bracket and Pfund series.The value of standard electrode potential for the change, 3 2 (aq) Fe e Fe (aq) will be : (1) -0.072 V (2).385 V (3).770 V (4) -0.270 Sol: (3) Q Fe3 3e Fe;.036V O o 1 G nFE 3F(0.036).108.The potential drop across L as a function of time is (1) 6e5tV (2) 3t 12e V t (3) 6(1 et /.2 )V (4) 12e5tV Sol: (4) 1 1 12 6A d R I dt ( t / tc ) I2 Io.25 Area ( ) ( ) y 4 y 4y 5 dy y 6y 5 dy ( ) ( ) y 3 27 3 y dy.18 Mathematics part.1 to 2 and 9 to 30 consists four (4) marks each and Question.Two liquids X and Y form an ideal solution.(1) bobbi brown makeup manual Because of the large size of the Ln (III) ions the bonding in its compounds is predominantly ionic in character.The density of the gas is 4 kg/m-3.At the same temperature, if 1 mol of Y is further added to this solution, vapour pressure of the solution increases by 10.Then the number of such arrangements is (1) less than 500 (2) at least 500 but less than 750 (3) at least 750 but less than 1000 (4) at least 1000 Sol: (4) 4 novels tayrone cigano 2012 cd can be selected from 6 novels in 6.The bond dissociation energy of B F in BF3 is 646 kJ mol1 whereas that spotify premium trial canada of C-F in 4 CF is 515kJ mol1.2n n 1 n n ( )2 ( ) ( )2 1 4 n n 1 2n 1 2.A graph between the object distance u and the image distance v, from the lens, is plotted using the same scale for the two axes.(3) The solution is non-ideal, showing ve deviation from Raoults law.KOH 3 /OH CH CH OH 3 2 CH CH *39.(4) Ln (III) hydroxides are mainly basic in character.