Salt of Strong Acid and Strong Bases

Q. 4.How much will potential of hydrogen electrode change when its solution initially at ph=0 is neutralised to ph=7?

Q.

A solution of NaCl is

1. Acidic in nature

2. Alkaline in nature

3. Neutral in nature

4. Amphoteric in nature

Q. What are features of buffer solution?

Q. $100\text{mL}$ of $0.1\text{M NaOH}$ solution is titrated with $100\text{mL}$ of $0.05\text{M}{H}_{2}S{O}_4$ solution. The $pH$ of the resulting solution is : $(\text{for}{H}_{2}S{O}_4,K{a}_1=\infty ,K{a}_2={10}^{-2})$

1. 7
2. 7.2
3. 7.4
4. 6.8

Q. What will be the resultant pH when 150 mL of an aqueous solution of $HCl$ $(pH=2.0)$ is mixed with 350 mL of an aqueous solution of $NaOH(pH=12.0)$?
Take $log\left(2\right)=0.3$

1. 8.6
2. 12.6
3. 11.6
4. 10.6

Q. 0.1 M weak acid HA (pH=3) is titrated with0.05 M NaOH solution. Calculate the pH (approx.)when 25% of acid has been neutralised. (log 30.48) (1) 4.52 (2) 4 () 5.41 (4) 3.52

Q. What will be the resultant pH when 150 mL of an aqueous solution of $HCl$ $(pH=2.0)$ is mixed with 350 mL of an aqueous solution of $NaOH(pH=12.0)$?
Take $log\left(2\right)=0.3$

1. 8.6
2. 12.6
3. 11.6
4. 10.6

Q. What will be the $H^{+}$ ion concentration of a solution prepared by mixing 50 mL of 0.20 M $NaCl$, 25 mL of 0.10 M $NaOH$ and 25 mL of 0.30 M $HCl$?

1. 0.5 M
2. 0.05 M
3. 0.02 M
4. 0.10 M

Q.

what happens if salt of strong base and strong acid reacts with water?