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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
Order of solubility of solid $AgCl(s)$ in given cases.

$(i)$ In pure water

$(ii)$ In presence of $0.1\  M AgNO_3$

$(iii)$ In presence of $2\  M aq.$ solution of $KCN$

$(iv)$  In presence of $ 1\ M aq$. solution of $Ca(CN)_2$

$(v)$ In presence of $2\ M aq.$ solution of $NH_3$ 

(Assuming $100\%$ dissociation of $AgNO_3, KCN$ and $Ca(CN)_2)$ and complex formation with $NH_3$ and $CN^-$ will take place.

  • A
    $(ii) < (i) < (iii) < (iv) < (v)$
  • B
    $(ii) < (i) < (v) < (iv) < (iii)$
  • ✓
    $(ii) < (i) < (v) < (iii) < (iv)$
  • D
    $(i) < (ii) < (iv) < (iii) < (v)$
✓

Answer

Correct option: C.
$(ii) < (i) < (v) < (iii) < (iv)$
c
$Ag(CN)_2^-$ is more stable than $Ag(NH_3)_2^+$

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