571.

The aqueous solution of which one of the following is basic?

• HOCl

• NaHSO₄

• NH₄NO₃

• NaOCl

The pH of 10^-7 M NaOH is

• 7.01

• between 7 and 8

• between 9 and 10

• greater than 10

If H⁺ concentration of fruit juice is 3.3 × 10^-2, then its pH will be

• 4.8 basic

• 4.8 neutral

• 4.8 acidic

• 1.6 acidic

The correct order of the acidity of following acids is-

CH₃COOH, HCOOH, Cl-CH₂COOH, F-CH₂COOH, (Cl₂)CHCOOH

• Cl₂CHCOOH > F-CH₂COOH > Cl-CH₂COOH > HCOOH > CH₃COOH

• F-CH₂COOH > Cl-CH₂COOH > Cl₂CHCOOH > HCOOH > CH₃COOH

• HCOOH > CH₃COOH > Cl-CH₂COOH > Cl₂CHCOOH > F-CH₂COOH

• None of the above

Zwitter ion is

• a dipolar ion

• ion formed from amino acid

• internal salt

• All of the above

Solubility product of pure PbCl₂ will be

• K_sp = S²

• K_sp = 4S³

• K_sp = 108 S⁵

• K_sp = S

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