Na\(_2\)CO\(_3\) + 2HCl \(\to\) 2NaCl + H\(_2\)O + CO\(_2\)
The indicator most suitable for this reaction should have a pH equal to
a
5
b
7
c
3
d
9
Explanation
Correct Option
cVideo Explanation
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Discussions (8)

Hadassah247
3 months ago
plus the kind of indicator used depends on the concentration of the acid
Strong Acid=Methyl orange
SAM.
Weak Acid=Phenolphthalein indicator
WAP.
you welcome.
i saw this from studying on the platform tho.

Kenhinde
3 years ago
Cont...2.strongacid(HCL) +weak base(NAOH)..(less than 7:...use the phenolphthalein (range from 6.0-10)
4.weak acid(ch3coooh)+weak base(nh3)=7
No indicator...range from 6-8
Uwc🙂

