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Redox Reactions question

2024 · 1 Feb · Shift 1 · Q17
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Redox Reactions question

2024 · 1 Feb · Shift 1 · Q17

JEE MainChemistryRedox ReactionsMCQ+4 / −1
In acidic medium, K2Cr2O7\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7K2​Cr2​O7​ shows oxidising action as represented in the half reaction: Cr2O72−+XH++Ye⊖→2 A+ZH2O\mathrm{Cr}_2 \mathrm{O}_7{ }^{2-}+\mathrm{XH}^{+}+\mathrm{Ye}^{\ominus} \rightarrow 2 \mathrm{~A}+\mathrm{ZH}_2 \mathrm{O}Cr2​O7​2−+XH++Ye⊖→2 A+ZH2​O X,Y,Z\mathrm{X}, \mathrm{Y}, \mathrm{Z}X,Y,Z and A\mathrm{A}A are respectively are :
  1. A
    14,7,614,7,614,7,6 and Cr3+\mathrm{Cr}^{3+}Cr3+
  2. B
    14,6,714,6,714,6,7 and Cr3+\mathrm{Cr}^{3+}Cr3+
  3. C
    8,4,68,4,68,4,6 and Cr2O3\mathrm{Cr}_2 \mathrm{O}_3Cr2​O3​
  4. D
    8,6,48,6,48,6,4 and Cr2O3\mathrm{Cr}_2 \mathrm{O}_3Cr2​O3​
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