MCQ
Which is a buffer solution
- ✓$CH_3COOH + CH_3COONa$
- B$CH_3COOH + CH_3COONH_4$
- C$CH_3COOH + NH_4Cl$
- D$NaOH + NaCl$
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$L(1s^2, 2s^2 2p^4); Q(1s^2, 2s^2 2p^6, 3s^2 3p^5)$
$P(1s^2, 2s^2 2p^6, 3s^1); R(1s^2, 2s^2 2p^6, 3s^2)$
The formulae of ionic compounds that can be formed between these elements are
$(A)$ Micelle formation is an exothermic process.
$(B)$ Micelle formation is an endothermic process.
$(C)$ The entropy change is positive.
$(D)$ The entropy change is negative.