List two examples of each of the following: (a) Salts which do not contain metal ions (b) Salts which are obtained from weak acid and weak base.

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Solution

(a) NH₄Cl is a salt which does not contain any metal atom.
(b) Ammonium acetate (CH₃COONH₄) which is a salt of weak acid (acetic acid) and weak base (ammonium hydroxide).

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\begin{matrix} List - I (Salt solution) & List - II (pH) (I) 0.1 M K C N & (P) 7 (II) 0.1 M P h N H_{3} C l & (Q) 6.5+ \frac{1}{2} p K_{a} (III) 0.1 M K C l & (R) 7.5 - \frac{1}{2} p K_{b} (IV) 0.1 M C H_{3} C O O N H_{4} (K_{a} = K_{b}) & (S) 7.5 + \frac{1}{2} p K_{a} - \frac{1}{2} p K_{b} (T) 7.5 - \frac{1}{2} p K_{a} - \frac{1}{2} p K_{b} (U) 7.5 - \frac{1}{2} p K_{a} + \frac{1}{2} p K_{b} \end{matrix}

Which of the following options has the correct combination considering Lists-I and List-II?

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List two examples of each of the following: (a) Salts which do not contain metal ions (b) Salts which are obtained from weak acid and weak base.

(a) NH4Cl is a salt which does not contain any metal atom. (b) Ammonium acetate (CH3COONH4) which is a salt of weak acid (acetic acid) and weak base (ammonium hydroxide).

(a) NH₄Cl is a salt which does not contain any metal atom.
(b) Ammonium acetate (CH₃COONH₄) which is a salt of weak acid (acetic acid) and weak base (ammonium hydroxide).