11.

CsCl crystallises in body centred cubic lattice. If 'a' its edge length, then which of the following expression is correct?

• 
• 
• 
• 

Consider separate solution of 0.500 M C₂H₅OH (aq), 0.100 M Mg₃(PO₄)₂ (aq) 0.250 M KBr (aq) and 0.125 M Na₃PO₄ (aq) at 25^oC. Which statement is true about these solutions, assuming all salts to be strong electrolytes?

• They all have the same osmotic pressure

• 0.100 M Mg₃(PO₄)₂ (aq) has the highest osmotic pressure

• 0.125 M Na₃P_O (aq) has the highest osmotic pressure

• 0.125 M Na₃P_O (aq) has the highest osmotic pressure

For the non- stoichiometric reaction 2A + B → C + D, the following kinetic data were obtained in three separate experiment, all at 298 K.

Among the following oxoacids, the correct decreasing order of acid strength is

• HOCl > HClO₂>HClO₃ > HClO₄

• HClO₄>HOCl> HClO₂>HClO₃

• HClO₄>HClO₃>HClO₂>HOCl

• HClO₄>HClO₃>HClO₂>HOCl

The metal that cannot be obtained by electrolysis of an aqueous solution of its salts is

• Ag

• Ca

• Cu

• Cu

The octahedral complex of a metal ion M³⁺ with four Monodentate Ligands, L₁, L₂, L₃ and L₄ absorb wavelengths in the region of red, green, yellow and blue respectively. The increasing order of ligand strength of the four ligands is

• L₄< L₃<L₂<L₁

• L₁<L₃<L₂<L₄

• L₃<L₂<L₄<L₁

• L₃<L₂<L₄<L₁

Which of the following properties are not shown by NO?

• It is diamagnetic in gaseous state

• It is a neutral oxide

• It combines with oxygen to form nitrogen dioxide

• It combines with oxygen to form nitrogen dioxide

The ratio of masses of oxygen and nitrogen of a particular gaseous mixture is 1:4. The ratio of number of their molecule is

• 1:4

• 7:32

• 1:8

• 1:8

Given below are the half-cell reactions
Mn²⁺ + 2e^- → Mn; E^o = - 1.18 eV
2(Mn³⁺ + e^- →Mn²⁺); E^o = +1.51 eV
The E^o for 3Mn²⁺ → Mn + 2Mn³⁺ will be

• -2.69 V; the reaction will not occur

• -2.69 V; the reaction will occure

• -0.33 V; the reaction will not occur

• -0.33 V; the reaction will not occur

Which series of reactions correctly represents chemical relations related to iron and its compound?