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
✓
Answer
Correct option: A.
$pH $ will increase
(a) $C{N^ - } + {H_2}O \to HCN + O{H^ - }$
Because $O{H^ - }$ concentration is increased.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The elements with atomic number $117$ and $120$ are yet to be discovered. In which group would you place these elements when discovered ?
→Which of the following compounds exhibit stereoisomerism
Racemic mixture is formed by mixing two
The correct stability order for the following carbocation is
In Greece and Italy, marble statues were damaged by :
For the electrophilic substitution reaction involving nitration, which of the following sequence regarding the rate of reaction is true ?
The incorrect stability order of $+3$ and $+1$ states of $13^{th}$ group elements (boron family) is
→The most common characteristics of homologous series is increase in the number of :
Following Kjeldahl's method, $1 \mathrm{~g}$ of organic compound released ammonia, that neutralised $10$ $\mathrm{mL}$ of $2 \mathrm{M} \ \mathrm{H}_2 \mathrm{SO}_4$. The percentage of nitrogen in the compound is_________ $\%$.
→What is the major product of the following reaction $C{H_3}C \equiv C - C{H_2} - C{H_3}\xrightarrow{{1\,\,{\text{mole}}\,\,{\text{of}}\,C{l_2}}}$
→