(chatquestion)...Fogen in NaN0 2 is: LAFMC 2006] 94 (a) +2 (Ъ) +3 (d) 7.5 95. The charge required for the reduction of 1 mole of MnO to MnO2 is: (c) +4 [AFMC 2006] (d) -3 (a) 1F (Ъ) ЗF [AIIMS 2006] (c) 5F 96. 1.520 g of the hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent mass of (d) 6 F metal is: (a) 1.520 0 59 g of the silver salt of an organic acid (molar mass =210) on ignition gave 0.36 g of pure (b) 0.995 [CPMT 2006] (d) 9.00 (c) 19.00 silver. The basicity of the acid is: (b) 2 [Kerala PMT 2006] (a) 3 (c) 1 (d) 4 (e) 5 98. An element, X has the following isotopic composition: 200 x:90% , 199 X:8.0% , 202 X:2.0% The weighted average atomic mass of the naturally occurring element X is closed to: [AIPMT 2007] (d) 199 amu (b) 201 amu (c) 202 amu (a) 200 amu [CPMT 2007] 19. Value of x in potash alum, K,S04 · Al, (SO4)3 24H,0 is: (b) 1 (d) None of these (c) 2 that will be needed to react with one mole of sulphide ion in JAIPMT 2007] (a) 4

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