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JEE Mains · Chemistry · STD 11 - 1. Some basic concept of chemistry

\(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\) ના \(0.3\; \mathrm{g}\) માં રહેલા ક્લોરાઇડ આયનોના માત્રાત્મક રીતે અવક્ષેપન માટે જરૂરી  \(0.125\; \mathrm{M}\; \mathrm{AgNO}_{3}\) નું કદ \(( \mathrm{mL} )\) જણાવો. \(^{\mathrm{M}}\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}=267.46 \;\mathrm{g} / \mathrm{mol}\) \(\mathrm{M}_{\mathrm{AgNO}_{3}}=169.87 \;\mathrm{g} / \mathrm{mol}\)

  1. A \(32.06\)
  2. B \(38.25\)
  3. C \(26.92\)
  4. D \(24.34\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(26.92\)

Step-by-step Solution

Detailed explanation

Number of moles of \(\mathrm{Cl}^{-}\) precipitated in \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right] \mathrm{Cl}_{3}\) is equal to number of moles of \(\mathrm{AgNO}_{3}\) used. \(\frac{0.3}{267.46} \times 3=\frac{0.125 \times \mathrm{V}}{1000}\) where…
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