Chemistry Inorganic Chemistry questions from JEE Main 2002.
$\beta$ - particle is emitted in radioactivity by
A square planar complex is formed by hybridisation of which atomic orbitals ?
Alum helps in purifying water by
Arrange $\mathrm{Ce}^{+3}, \mathrm{La}^{+3}, \mathrm{Pm}^{+3}$ and $\mathrm{Yb}^{+3}$ in increasing order of their ionic radii
In case of nitrogen, $\mathrm{NCl}_3$ is possible but not $\mathrm{NCl}_5$ while in case of phosphorous, $\mathrm{PCl}_3$ as well as $\mathrm{PCl}_5$ are possible. It is due to
In $\mathrm{XeF}_2, \mathrm{XeF}_4, \mathrm{XeF}_6$ the numebr of lone pairs of $\mathrm{Xe}$ are respectively
In which of the folloiwng species the interatomic bond angle is $109^{\circ} 28^{\prime} ?$
Most common oxidation states of Ce (cerium) are
Number of sigma bonds in $\mathrm{P}_4 \mathrm{O}_{10}$ is
The most stable ion is
The type of isomerism present in nitropentamine chromium (III) chloride is
When $\mathrm{KMnO}_4$ acts as an oxidising agent and ultimately forms $\left[\mathrm{MnO}_4\right]^{-1}, \mathrm{MnO}_2, \mathrm{Mn}_2 \mathrm{O}_3, \mathrm{Mn}^{+2}$ then the number of electrons transferred in each case respectively is
When $\mathrm{H}_2 \mathrm{~S}$ is passed through $\mathrm{Hg}_2 \mathrm{~S}$ we get
Which is the correct order of ionic sizes ? (Atomic Number : Ce = 58, Sn = 50, Yb = 70 and Lu = 71)
Which of the following are arranged in an increasing order of their bond strengths ?
Which of the following ions has the maximum magnetic moment ?
Which of the following statements is true ?