Tag: the p-block elements
Questions Related to the p-block elements
The increasing order of the acidity of the following acids is:
l) $H _{2}SO _{3}$
ll) $H _{3}PO _{3}$
lll) HClO$ _{3}$
Match the following
Set-l (Cl-O bond length) Set -ll($\mathrm{A}^{0})$
$\mathrm{A}) H\mathrm{C}lO$ 1)$ 1.64$
$\mathrm{B}) HClO _{2}$ 2$) 1.70$
$\mathrm{C}) HClO _{3}$ 3$)$ 1.45
$\mathrm{D}) HClO _{4}$ 4$) 1.57$
Number of valence electrons present in atoms of $HClO _{4},HClO _{3},HClO _{2}$ respectively are :
Which of the following molecule have highest thermal stability ?
Which of the following is called Berthelot's salt?
Which selection is the correct formula for the chlorate ion?
Which of the following is stable in solid state?
$NaOCl$ is used as a bleaching agent and sterilising agent. It can be prepared by the action of:
Which of the following does exist?
${ COCl } _{ 2 }$ gas dissociates according to the equation
${ COCl } _{ 2 }(g)\ \rightleftharpoons \ CO(g)\ +\ { Cl } _{ 2 }(g)$
When ${ COCl } _{ 2 }$ is heated to 700 K at 100 kPa, density of the gas mixture at equilibrium is $1.2\ { gdm }^{ -3 }$. The percentage degree of dissociation of ${ COCl } _{ 2 }$ is: