For the reaction,
2SO₂(g) + O₂(g) = 2SO₃(g), $$\Delta $$H = –57.2 kJ mol^–1 and K_C = 1.7 × 10¹⁶
Which of the following statement is incorrect ?

The pH of a 0.02 M NH₄Cl solution will be :
[given K_b (NH₄OH) = 10^–5 and log 2 = 0.301]

Which of these factors does not govern the stability of a conformation in acyclic compounds?

The correct statements among (a) to (d) are :
(a) saline hydrides produce H₂ gas when reacted with H₂O.
(b) reaction of LiAlH₄ with BF₃ leads to B₂H₆.
(c) PH₃ and CH₄ are electron - rich and electron - precise hydrides, respectively.
(d) HF and CH₄ are called as molecular