Question

determine the colour of pH paper for Nacl, NH4Cl, (NH4)2CO3, CH3COONa .

Answer 1

NaCl is a neutral salt hence, pH paper shows green colour

NH₄Cl is an acidic salt hence, pH paper shows orange-yellow colour

(NH₄)₂CO₃ is a neutral salt hence, pH paper shows green colour

CH₃COONa is a basic salt hence, pH paper shows bluish colour

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Answer 2

see the above attachment