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Q1. The equivalent conductivity of KCl at infinite dilution is 130 mho cm^2 eq^(-1). The transport number of Cl^- ion in KCl at the same temperature is 0.505. The transport number of K^+ ion is :
•  Cannot be predicted
•  0.0495
•  0.505
•  0.495
Solution

Q2.The number of electrons passing per second through a cross-section of Cu wire carrying 10 ampere is :
•  1.6 ×〖10〗^19
•  6 ×〖10〗^19
•  8 ×〖10〗^19
•  1 ×〖10〗^19
Solution
Charge = 10 ×1=10 C Also, 96500 C = 6 ×〖10〗^23 electrons

Q3.  Small quantities of solutions of compounds TX,TY and TZ are put into separate test tubes containing X, Y and Z solutions. TX does not react with any of these. TY reacts with both X and Z. TZ reacts with X. The decreasing order of ease of oxidation of the anions X^-,Y^-,Z^- is
•   X^-,Z^-,Y^-
•  Y^-,X^-,Z^-
•  Z^-,X^-,Y^-
•  Y^-,Z^-,X^-
Solution
Oxidizing tensdncy ∝ 1/(electrode potential) TX → No reaction TY → X,Z TZ → X ⇒ Order of electrode potential is TY < TZ < TX ⇒ Order of oxidation of the anion is Y^-> Z^-> X^-

Q4. Who wrote the famous Book “Constitution of India - Defaced and Defied”?
•  217.5
•  517.2
•  552.7
•  390.7
Solution

Q5.The conductance of 1 cm^3 of a solution is known as its :
•  Conductivity
•  Equivalent conductivity
•  Molecular conductivity
•  Resistance
Solution
It is the definition of conductivity.

Q6. Beryllium is placed above magnesium in the II group. Beryllium dust, therefore, when added to MgCl_2 solution will :
•  Lead to dissolution of Be metal
•  Have no effect
• Precipitate Mg metal
•  Precipitate MgO
Solution
No doubt Be is above Mg in periodic table but it is below Mg in electrochemical series.

Q7.Iron sheets are galvanized to :
•  Prevent action of O_2 and H^+ on Fe
•  Prevent oxidation of Fe
•  All of the above
•  Prevent rusting
Solution
To prevent rusting or oxidation of Fe by the action of  in presence of , galvanization of iron object is made.
Q8.Reaction taking place at anode in dry cell is :
•  Mn^(2+)+2e ⟶Mn(s)
•  Zn(s)⟶Zn^(2+) +2e
•  Mn(s)⟶Mn^(2+) +2e
•  Zn^(2+)+2e ⟶Zn(s)
Solution

Q9.Ionic mobility of of electricity is 1 M solution of :
•  CH_3 COOH
•  Boric acid
•  H_3 PO_4
•  H_2 SO_4
Solution

Q10. Which of the following ions can be replaced by H^+ inos when H_2 gas is bubbled through the solutions containing these ions?
•  Ba^(2+)
•  Cu^(2+)
•  Be^(2+)
• Li^+
Solution

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