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Salt Analysis question

2024 · 8 Apr · Shift 1 · Q10
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  5. /2024 · 8 Apr · Shift 1 · Q10

Salt Analysis question

2024 · 8 Apr · Shift 1 · Q10

JEE MainChemistrySalt AnalysisMCQ+4 / −1

Match List I with List II

LIST I
(Name of the test)		 LIST II
(Reaction sequence involved) [M is metal]
A. Borax bead test I. MCO3→MO→+ΔCo(NO3)2CoO⋅MO\mathrm{MCO}_3 \rightarrow \mathrm{MO} \xrightarrow[+\Delta]{\mathrm{Co}\left(\mathrm{NO}_3\right)_2} \mathrm{CoO} \cdot \mathrm{MO}MCO3​→MOCo(NO3​)2​+Δ​CoO⋅MO
B. Charcoal cavity test II. MCO3→MCl2→M2+\mathrm{MCO}_3 \rightarrow \mathrm{MCl}_2 \rightarrow \mathrm{M}^{2+}MCO3​→MCl2​→M2+
C. Cobalt nitrate test III. MSO4→ΔNa2 B4O7M(BO2)2→MBO2→M\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7} \mathrm{M}\left(\mathrm{BO}_2\right)_2 \rightarrow \mathrm{MBO}_2 \rightarrow \mathrm{M}MSO4​Na2​ B4​O7​Δ​M(BO2​)2​→MBO2​→M
D. Flame test IV. MSO4→ΔNa2CO3MCO3→MO→M\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{CO}_3} \mathrm{MCO}_3 \rightarrow \mathrm{MO} \rightarrow \mathrm{M}MSO4​Na2​CO3​Δ​MCO3​→MO→M

Choose the correct answer from the options given below:

  1. A
    A-III, B-I, C-IV, D-II
  2. B
    A-III, B-IV, C-I, D-II
  3. C
    A-III, B-II, C-IV, D-I
  4. D
    A-III, B-I, C-II, D-IV
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