Why is it necessary to use acetic acid and not sulphuric acid for acidification of sodium

To complete the inner circuit and to maintain electrical neutrality of the electrolytic solutions of the half cells.

[Hint : As HBr readily reduces H2SO4 forming Br2.]

For delegation to be effective it is necessary that responsibility is accompanied with authority. Responsibility refers to the obligation to complete a task which has been assigned by the superior....

(C) 5% – 8% acetic acid in water

(B) bubbles of a colourless and odourless gas

(B) Acetic acid turns red litmus blue but it does not affect blue litmus.

The correct answer is (B) ii

A colourless gas with brisk effervescence is evolved on addition of sodium bicarbonate to acetic acid. Lime water turns milky when this gas is passed through it, thus the evolved...

A colourless and odourless gas is evolved. It turns lime water milky and this gas extinguishes the burning splinter.

Acetic acid is colourless liquid. It is miscible/ soluble in water. On adding a pinch of sodium hydrogen carbonate, Brisk effervescence is observed. Evolution of a colourless/ odourless gas.