Inorganic Chemistry PYQ — Page 6

How many (i) ${\mathrm{sp}}^{2}$ hybridised carbon atoms and (ii) $\pi$ bonds are present in the following compound? 

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds?

Among the compounds shown below which one revealed a linear structure?

Match the following : <table class="pyq-table"><tbody><tr><td>Oxide</td><td>Nature</td></tr><tr><td>(a) $\mathrm{CO}$</td><td>(i) Basic</td></tr><tr><td>(b) $\mathrm{BaO}$</td><td>(ii) Neutral</td></tr><tr><td>(c) ${\mathrm{Al}}_{2}{O}_{3}$</td><td>(iii) Acidic</td></tr><tr><td>(d) ${\mathrm{Cl}}_{2}{O}_{7}$</td><td>(iv) Amphoteric</td></tr></tbody></table> Which of the following is correct option?

Match the coordination number and type of hybridisation with distribution of hybrid orbitals in space based on Valence bond theory. <table class="pyq-table"><tbody><tr><td></td><td>Coordination number and type of hybridisation</td><td></td><td>Distribution of hybrid orbitals in space</td></tr><tr><td>(a)</td><td>$4,{\mathrm{sp}}^{3}$</td><td>(p)</td><td>trigonal bipyramidal</td></tr><tr><td>(b)</td><td>$4,{\mathrm{dsp}}^{2}$</td><td>(q)</td><td>octahedral</td></tr><tr><td>(c)</td><td>$5,{\mathrm{sp}}^{3}d$</td><td>(r)</td><td>tetrahedral</td></tr><tr><td>(d)</td><td>$6,{d}^{2}{\mathrm{sp}}^{3}$</td><td>(s)</td><td>square planar</td></tr></tbody></table>Select the correct option:

Identify the incorrect statement from the following:

Identify a molecule which does not exist.

Identify the correct statements from the following: (a) ${\mathrm{CO}}_{2}(g)$ is used as a refrigerant for ice cream and frozen food. (b) The structure of ${C}_{60}$ contains twelve six-membered carbon rings and twenty-five membered carbon rings. (c) $\mathrm{ZSM}-5$, a type of zeolite, is used to convert alcohols into gasoline. (d) $\mathrm{CO}$ is a colourless and odourless gas.

Match the following and identify the correct option. <table class="pyq-table"><tbody><tr><td>(a) $\mathrm{CO}(g)+{H}_{2}(g)$</td><td>(i) $\mathrm{Mg}{({\mathrm{HCO}}_{3})}_{2}+\mathrm{Ca}{({\mathrm{HCO}}_{3})}_{2}$</td></tr><tr><td>(b) Temporary hardness of water</td><td>(ii) An electron deficient hydride</td></tr><tr><td>(c) ${B}_{2}{H}_{6}$</td><td>(iii) Synthesis gas</td></tr><tr><td>(d) ${H}_{2}{O}_{2}$</td><td>(iv) Non-planar structure</td></tr></tbody></table>

The number of moles of hydrogen molecules required to produce $20$ moles of ammonia through Haber’s process is:

The manganate and permanganate ions are tetrahedral, due to:

Match the following: <table class="pyq-table"><tbody><tr><td>$(a)$</td><td>Pure nitrogen</td><td>$(i)$</td><td>Chlorine</td></tr><tr><td>$(b)$</td><td>Haber process</td><td>$(ii)$</td><td>Sulphuric acid</td></tr><tr><td>$(c)$</td><td>Contact process</td><td>$(iii)$</td><td>Ammonia</td></tr><tr><td>$(d)$</td><td>Deacon’s process</td><td>$(iv)$</td><td>Sodium azide or Barium azide</td></tr></tbody></table> Which of the following is the correct option?

What is the correct electronic configuration of the central atom in ${K}_{4}[Fe{(CN)}_{6}]$ based on crystal field theroy?

Which of the following is the correct order of dipole moment?

Which of the following is incorrect statement?

Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital Theory?

Which is the correct thermal stability order for ${H}_{2}E(E=O, S, Se, Te and Po)?$

A compound ' $\mathrm{X}^{\prime}$ upon reaction with $\mathrm{H}_2 \mathrm{O}$ produced a colourless gas ' $Y$ ' with rotten fish smell. Gas ' $\mathrm{Y}$ ' is absorbed in a solution of $\mathrm{CuSO}_4$ to give $\mathrm{Cu}_3 \mathrm{P}_2$ as one of the products. Predict the compound ' $\mathrm{X}$ '

When neutral or faintly alkaline $\mathrm{KMnO}_4$ is treated with potassium iodide, iodide ion is converted into ' $\mathrm{X}$ '. ' $\mathrm{X}$ ' is

Match the oxide given in column A with its property given in column B.  Which of the following options has all correct pairs?

Which of the following compounds is used in cosmetic surgery?

Which of the following is paramagnetic?

Aluminium chloride in acidified aqueous solution forms a complex ' $A$ ', in which hybridisation state of $\mathrm{Al}$ is ' $\mathrm{B}$ '. What are ' $\mathrm{A}$ ' and ' $\mathrm{B}$ ', respectively?

The number of hydrogen bonded water molecule(s) associated with $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ is