JEE Advanced · 2010 · 11 Apr 2010 · Paper 2 · p-Block Elements

More JEE Advanced questions on p-Block Elements

1. Correct statement(s) about the compounds $\mathbf{X},\mathbf{Y}$ and $\mathbf{Z}$ is (are)
   ${\mathrm{MnO}}_2+$ Conc. $\mathrm{HCl}\to \mathbf{X}$ (greenish yellow gas)
   ${\mathrm{NH}}_3+\underset{(\text{ excess })}{\mathbf{X}}⟶\mathbf{Y}$ …
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2. Correct statement(s) about the compounds $\mathbf{P}$, $\mathbf{Q}$ and $\mathbf{R}$ is(are)
   
   $\text{Xe}(g)+{\text{F}}_2(g)\stackrel{873\text{ K},7\text{ bar}}{\to }\mathbf{P}$ (1:5 ratio)
   
   $\mathbf{P}+{\text{O}}_2{\text{F}}_2\stackrel{143\text{ K}}{\to }\mathbf{Q}+{\text{O}}_2$ …
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3. The heating of ${\mathrm{NH}}_4{\mathrm{NO}}_2$ at $60-70^{\circ }\mathrm{C}$ and ${\mathrm{NH}}_4{\mathrm{NO}}_3$ at $200-250^{\circ }\mathrm{C}$ is associated with the formation of nitrogen containing compounds $\mathbf{X}$ and $\mathbf{Y}$, respectively. $\mathbf{X}$ and …
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4. The complete hydrolysis of $\mathrm{ICl}$, ${\mathrm{ClF}}_3$ and ${\mathrm{BrF}}_5$, respectively, gives
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5. The compound(s) with P-H bond(s) is(are)
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6. At room temperature, disproportionation of an aqueous solution of in situ generated nitrous acid (${\mathrm{HNO}}_2$) gives the species
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