Other Chemistry · JEE Advanced previous year questions

2024 2 questions

1. Q412024 · 26 May 2024 · Paper 1· One or more correct

   The option(s) in which at least three molecules follow Octet Rule is(are)

   1. A.$\mathrm{C}{\mathrm{O}}_2$, ${\mathrm{C}}_2{\mathrm{H}}_4$, NO and HCl
   2. B.$\mathrm{N}{\mathrm{O}}_2$, ${\mathrm{O}}_3$, HCl and ${\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$
   3. C.$\mathrm{BC}{\mathrm{l}}_3$, NO, $\mathrm{N}{\mathrm{O}}_2$ and ${\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$
   4. D.$\mathrm{C}{\mathrm{O}}_2$, $\mathrm{BC}{\mathrm{l}}_3$, ${\mathrm{O}}_3$ and ${\mathrm{C}}_2{\mathrm{H}}_4$
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   Answer: A, D

2. Q412024 · 26 May 2024 · Paper 2· One or more correct

   The compound(s) having peroxide linkage is(are)

   1. A.${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_7$
   2. B.${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_8$
   3. C.${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_5$
   4. D.${\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_5$
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   Answer: B, D