arrange the following in decreasing order of their pH values NACL, NH4Cl, NH4CN, NaCN
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The order of pH is NH
4
Cl( less than 7)<NaCl(7)<CH
3
COONa( more than 7)
Hence, the option (B) is correct answer.
NH
4
Cl is a salt of weak base and strong acid. Its solution is acidic.
CH
3
COONa is a salt of weak acid and strong base. Its solution is basic.
NaCl is a salt of strong base and strong acid. Its solution is neutral.
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