JEE MAIN - Chemistry (2022 - 27th July Evening Shift - No. 3)
The plot of $$\mathrm{pH}$$-metric titration of weak base $$\mathrm{NH}_{4} \mathrm{OH}$$ vs strong acid HCl looks like :
_27th_July_Evening_Shift_en_3_1.png)
_27th_July_Evening_Shift_en_3_2.png)
_27th_July_Evening_Shift_en_3_3.png)
_27th_July_Evening_Shift_en_3_4.png)
Explanation
$\mathrm{NH}_{4} \mathrm{OH}$ is a weak base and $\mathrm{HCl}$ is a strong acid.
With the addition of $\mathrm{HCl}$ to $\mathrm{NH}_{4} \mathrm{OH}, \mathrm{pH}$ of solution will decrease gradually.
So, the correct graph should be
_27th_July_Evening_Shift_en_3_5.png)
With the addition of $\mathrm{HCl}$ to $\mathrm{NH}_{4} \mathrm{OH}, \mathrm{pH}$ of solution will decrease gradually.
So, the correct graph should be
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