Which of the following statement is correct?

• Basic nature increases on increasing pH

• Basic nature decreases on increasing pH

• Acidic nature increases on increasing pH

• None of the above

Which one of the following is conjugate acid of water in the reaction?

H₂SO₄ + H₂O $\rightleftharpoons$ H₃O⁺ + HSO${}_4^{-}$

• H₂O

• H₃O⁺

• SO${}_4^{2-}$

• HSO${}_4^{-}$

The product of H⁺ and OH^- of water will be

• K_w = 10^-12

• K_w = 10^-14

• K_w = 10^-11

• K_w = 10^-10

For NaCl, the K_sp = 36mol² L^-2, the molar concentration of it will be  

• $\frac{1}{36}$M

• $\frac{1}{16}$ M

• 36 M

• 6 M

In the equilibrium reaction 2HI (g) $\rightleftharpoons$ H₂ + I₂ which of the following expressions is true?

• K_p = K_c

• K_c = 2K_p

• K_p > K_c

• K_c = K_p (RT)²

Strongest Bronsted base among the following anions is:

• ClO^-

• ClO${}_2^{-}$

• ClO${}_3^{-}$

• ClO${}_4^{-}$

1.1 moles of A and 2.2 moles of B are mixed in a container of one litre volume to obtain the equilibrium A + 2B $\rightleftharpoons$ 2C + D.

At equilibrium 0.2 moles of C are formed. The equilibrium constant for the above reaction is

• 0.001

• 0.002

• 0.003

• 0.004

In which solution/ solvent the solubility of AgCl is minimum?

• 0.01 M NaCl

• 0.01 M CaCl₂

• Pure water

• 0.001 M AgNO₃

249.

Which one of the following salts gives an acidic solution in water?

• CH₃COONa

• NH₄Cl

• NaCl

• CH₃COONH₄

Which of the following exhibits highest solubility in water?

• NH₃

• PH₃

• AsH₃

• SbH₃