Tag: the p-block elements

Questions Related to the p-block elements

On heating $KClO _3$, we get :

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$KClO _2+O _2$
$KCl+O _2$
$KCl+O _3$
$KCl+O _2+O _3$

The ion that cannot undergo disproportionation is :

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$ClO _4^-$
$ClO _3^-$
$ClO _2^-$
$ClO^-$

Which products are expected from the disproportionation of hypochlorous acid?

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$HClO _3$ and $Cl _2O$
$HClO _2$ and $HClO _4$
$HCl $and $Cl _2O$
$HCl $ and $HClO _3$

The following acids have been arranged in the order of decreasing acid strength. Identify the correct order: ClOH (I), BrOH (II), IOH (III).

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$I> II > III$
$II>I>III$
$III>II>I$
$I>III>II$

Which one of the following oxy acid of fluorine exists ?

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$HOF$
$HFO _{3}$
$HFO _{4}$
$HFO _{2}$

Among the oxyacids of chlorine, the strongest oxidising agent is:

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$\mathrm{H}\mathrm{Cl}\mathrm{O} _{4}$
$\mathrm{H}\mathrm{Cl}\mathrm{O} _{3}$
$\mathrm{H}\mathrm{Cl}\mathrm{O} _{2}$
$\mathrm{HCl}\mathrm{O}$

Which one of the following oxyacids of chlorine is the least oxidizing in nature?

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$\mathrm{HOCl}$
$\mathrm{H}\mathrm{Cl}\mathrm{O} _{2}$
$\mathrm{H}\mathrm{Cl}\mathrm{O} _{4}$
$\mathrm{H}\mathrm{Cl}\mathrm{O} _{3}$

Which of the following statements is not correct?

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

All halogens except flourine from OXO-acids
Hypohalous acids HOCI,HOBr and HOI are all strong acids
Hypochlorous acid is the most stable among hypohalous acids
Chlorous acid is the only halous acid known

The anhydride of $\mathrm{H}\mathrm{Cl}\mathrm{O} _{4}$ is:

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$\mathrm{Cl}\mathrm{O} _{4}$
$\mathrm{Cl} _{2}\mathrm{O} _{7}$
$\mathrm{Cl}\mathrm{O} _{2}$
$\mathrm{Cl}\mathrm{O} _{3}$

Which of the following forms are the most basic in 0.1 M solution?

oxoacids of halogens p- block elements-ii p-block elements the p-block elements chemistry

$\mathrm{NaCl}$
$\mathrm{NaOCl}$
$\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}\mathrm{O} _{2}$
$\mathrm{N}\mathrm{a}\mathrm{C}\mathrm{l}\mathrm{O} _{3}$

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