Redox Reactions · JEE Main previous year questions

2006 2 questions

1. Q1462006 · 29 Apr 2006 · Shift 1

   A metal, $M$ forms chlorides in its $+2$ and $+4$ oxidation states. Which of the following statements about these chlorides is correct?

   1. A.$M\mathrm{C}{\mathrm{l}}_2$ is more ionic than $M\mathrm{C}{\mathrm{l}}_4$
   2. B.$M\mathrm{C}{\mathrm{l}}_2$ is more easily hydrolysed than $M\mathrm{C}{\mathrm{l}}_4$
   3. C.$M\mathrm{C}{\mathrm{l}}_2$ is more volatile than $M\mathrm{C}{\mathrm{l}}_4$
   4. D.$M\mathrm{C}{\mathrm{l}}_2$ is more soluble in anhydrous ethanol than $M\mathrm{C}{\mathrm{l}}_4$.
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   Answer: A

2. Q1502006 · 29 Apr 2006 · Shift 1

   What products are expected from the disproportionation reaction of hypochlorous acid?

   1. A.$\mathrm{HCl}{\mathrm{O}}_3$ and $\mathrm{C}{\mathrm{l}}_2\mathrm{O}$
   2. B.$\mathrm{HCl}{\mathrm{O}}_2$ and $\mathrm{HCl}{\mathrm{O}}_4$
   3. C.$\mathrm{HCl}$ and $\mathrm{C}{\mathrm{l}}_2\mathrm{O}$
   4. D.$\mathrm{HCl}$ and $\mathrm{HCl}{\mathrm{O}}_3$
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   Answer: D