The p-Block Elements

JEE Advanced · Chemistry · 62 past questions

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1. Q25 2017 Paper 1

   The colour of the X$_2$ molecules of group 17 elements changes gradually from yellow to violet down the…

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2. Q27 2017 Paper 2

   The order of the oxidation state of the phosphorus atom in H$_3$PO$_2$, H$_3$PO$_4$, H$_3$PO$_3$, and…

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3. Q30 2017 Paper 2

   Upon heating $\mathrm{KClO_3}$ in the presence of catalytic amount of $\mathrm{MnO_2}$, a gas $\mathbf{W}$ is…

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