MCQ
Match the column $I$ with column $II$ and mark the appropriate choice
Column $I$ Column $II$
$(A)$ $CH_3COONa$ $(i)$ Almost neutral, $pH > 7$ or $< 7$
$(B)$ $NH_4Cl$ $(ii)$ Acidic, $pH < 7$
$(C)$ $NaNO_3$ $(iii)$ Alkaline, $pH > 7$
$(D)$ $CH_3COONH_4$ $(iv)$ Neutral, $pH = 7$
  • A
    $A \to (i), B \to (ii), C \to (iii), D \to (iv)$
  • B
    $A \to (ii), B \to (iii), C \to (iv), D \to (i)$
  • $A \to (iii), B \to (ii), C \to (iv), D \to (iv)$
  • D
    $A \to (iv), B \to (i), C \to (iii), D \to (ii)$

Answer

Correct option: C.
$A \to (iii), B \to (ii), C \to (iv), D \to (iv)$
c
$\left.\mathrm{CH}_{3} \mathrm{COONa} \text { (salt of } \mathrm{WA} \text { and } \mathrm{SB}\right) \therefore \mathrm{pH}>7$

$\mathrm{NH}_{4} \mathrm{Cl}(\text { salt of } \mathrm{SA} \text { and } \mathrm{WB}) \quad \therefore \mathrm{pH}<7$

$\mathrm{NaNO}_{3}$ (salt of $\mathrm{SA}$ and $\mathrm{SB}$ ) : Neutral $\mathrm{pH}=7$

$\mathrm{CH}_{3} \mathrm{CONH}_{4}$ (Salt of $WA$ and $WB$) : Acidic or basic depends on $\mathrm{pK}_{\mathrm{a}}$ and $\mathrm{pK}_{\mathrm{b}}$

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