Freundlich adsorption isotherm gives a straight line on plotting:

• $\frac{\mathrm{x}}{\mathrm{m}}$ vs p

• log $\frac{\mathrm{x}}{\mathrm{m}}$ vs p

• log $\frac{\mathrm{x}}{\mathrm{m}}$ vs log p

• $\frac{\mathrm{x}}{\mathrm{m}}$ vs $\frac{1}{\mathrm{p}}$

The total number of possible isomers of the complex compound [Cu^II(NH₃)₄][Pt^IICl₄] is:

• 3

• 6

• 5

• 4

The solution of the complex [Cu(NH₃)₄]SO₄ in water:

• will give the test of Cu²⁺ ions

• will give the test of NH₃

• will give the test of ${\mathrm{SO}}_4^{2-}$ ions

• will not give the tests of any of the above species

Conc. H₂SO₄ displaces hydrogen chloride from chlorides because:

• it is stronger acid

• sulphates are less soluble than chlorides

• sulphates are more soluble than chlorides

• HCl is a gas while H₂SO₄ is a liquid

Which one of the following represents d-block elements?

• [Rn]6d² , 7s²

• [Xe]4f¹ , 5d¹ , 6s²

• [Xe]4f¹⁴ , 5d¹ , 6s²

• [Xe]5d¹ , 6s²

36.

Pd has exceptional outer electronic configuration as 4d¹⁰ , 5s⁰. It belongs to:

• 4th period , group 11

• 5th period , group 10

• 6th period , group 9

• 3th period , group 16

The rate of reaction , 2NO + Cl₂ $\rightleftharpoons$ 2NOCl becomes double when the concentration of Cl₂ is doubled. However, when the concentration of both the reactants is doubled the rate becomes eight times. What is order of the reaction?

• First

• Second

• Third

• Zero

How will the rate of reaction , 2NO + O₂ $\to$ 2NO₂ change, if the volume of the reaction vessel is doubled?

• It will diminish to 1/4 of the initial value

• It will diminish to 1/8 of the initial value

• It will grow four times

• It will grow eight times

Which one of the following conditions will increase the voltage of the cell represents by the equation?

Cu (s) + 2Ag⁺ (aq) $\to$ Cu²⁺ (aq) + Ag (s)

• Increase in the concentration of Ag⁺ ions

• Increase in the concentration of Cu²⁺ ions

• Increase in the dimensions of silver electrode

• Increase in the dimensions of copper electrode

During the electrolysis of the aqueous solution of copper sulphate using Pt electrodes , the reaction taking place at the anode is:

• Cu²⁺ + 2e^- $\to$ Cu

• Cu $\to$ Cu²⁺ + 2e^-

• 2H₂O $\to$ 4H⁺ + O₂ + 4e^-

• H₂O + e^- $\to$ OH^- + $\frac{1}{2}$H₂