MCQ
On adding solid potassium cyanide to water
- ✓$pH $ will increase
- B$pH$ will decrease
- C$pH $ will not change
- DElectrical conductance will not change
Because $O{H^ - }$ concentration is increased.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(a)\,B{r_2}(l) \to B{r_2}(g)$
$(b)\,{H_2}O(s) \to {H_2}O(g)$
$(c)\,{N_2}\,\left[ {1\,atm,\,{{100}\,^o}C} \right] \to {N_2}\,\left[ {1\,atm,\,{{150}\,^o}C} \right]$
$(d)\,{N_2}\,(g) + 3{H_2}(g) \to 2N{H_3}(g)$
$(e)\,CaC{O_3}(s) \to CaO(s) + C{O_2}(g)$