Embibe Experts Solutions for Chapter: The p-Block Elements, Exercise 1: JEE Advanced Paper 2 - 2016

The correct statement(s) related to oxoacids of phosphorous is(are)

The total number of compounds having at least one bridging oxo group among the molecules given below is
${\mathrm{N}}_2{\mathrm{O}}_5, {\mathrm{P}}_4{\mathrm{O}}_6, {\mathrm{P}}_4{\mathrm{O}}_8, {\mathrm{H}}_4{\mathrm{P}}_2{\mathrm{O}}_5, {\mathrm{H}}_5{\mathrm{P}}_3{\mathrm{O}}_{10}, {\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_3, {\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_5$

Among the following, the correct statement(s) is(are)

With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).

The green colour produced in the borax bead test of a chromium(III) salt is due to -

Among ${\mathrm{B}}_2{\mathrm{H}}_6,\mathrm{ }{\mathrm{B}}_3{\mathrm{N}}_3{\mathrm{H}}_6,\mathrm{ }{\mathrm{N}}_2\mathrm{O},\mathrm{ }{\mathrm{N}}_2{\mathrm{O}}_4,\mathrm{ }{\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_3$ and ${\mathrm{H}}_2{\mathrm{S}}_2{\mathrm{O}}_8,$ the number of molecules containing covalent bond between two atoms of the same kind is __________

At $143\mathrm{ }\mathrm{K},$ the reaction of $\mathrm{X}\mathrm{e}{\mathrm{F}}_4$ with ${\mathrm{O}}_2{\mathrm{F}}_2$ produces a xenon compound $\mathrm{Y}.$ The total number of lone pair(s) of electrons present on the whole molecule of $\mathrm{Y}$ is __________

The compound(s) which generate(s) $N_2$ gas upon thermal decomposition below ${300}^{o}C$ is (are)