List of top Chemistry Questions on Acids and Bases asked in KCET

In the titration of potassium permanganate (KMnO\(_4\)) against Ferrous ammonium sulphate (FAS) solution, dilute sulphuric acid but not nitric acid is used to maintain acidic medium, because

A weak acid with pKa 5.9 and weak base with pKb 5.8 are mixed in equal proportions. pH of the resulting solution is

$K _{ u }$ values for acids $H _{2} SO _{3}, HNO _{2}, CH _{3} COOH$ and $HCN$ are respectively $1.3 \times 10^{-2}, 4 \times 10^{-4}, 1.8 \times 10^{-5}$ and $4 \times 10^{-10}$, which of the above acids produces stronger conjugate base in aqueous solution?

K_a values for acids H₂SO₃, HNO₂, CH₃COOH and HCN are respectively 1.3 × 10^-2, 4 × 10^-4, 1.8 × 10^-5 and 4 × 10^-10, which of the above acids produces stronger conjugate base in aqueous solution ?

The conjugate base of $NH_3$ is

The $pH$ of the solution obtained by mixing $100\, ml$ of a solution of $pH = 3$ with $400\, ml$ of a solution of $pH = 4$ is

Aluminium chloride is a/an