NEET UG 2019 — Inorganic Chemistry

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 ' $\mathrm{X}$ '

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?

For the second period elements the correct increasing order of first ionization enthalpy is:

Identify the correct formula of oleum from the following

Identify the incorrect statement related to $PC{l}_{5}$ from the following:

Match the catalyst with the process  Which of the following is the correct option?

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?

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

Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code: <table class="pyq-table"><tbody><tr><td colspan="2">Column-I</td><td colspan="2">Column-II</td></tr><tr><td>$(a)$</td><td>$Xe{F}_{4}$</td><td>$(i)$</td><td>pyramidal</td></tr><tr><td>$(b)$</td><td>$Xe{F}_{6}$</td><td>$(ii)$</td><td>square planar</td></tr><tr><td>$(c)$</td><td>$XeO{F}_{4}$</td><td>$(iii)$</td><td>distorted octahedral</td></tr><tr><td>$(d)$</td><td>$Xe{O}_{3}$</td><td>$(iv)$</td><td>square pyramidal</td></tr></tbody></table>

The correct structure of tribromooctaoxide is:

The Crystal Field Stabilisation Energy (CFSE) for $\left[\mathrm{CoCl}_6\right]^{4-}$ is $18000 \mathrm{~cm}^{-1}$. The CFSE for $\left[\mathrm{CoCl}_4\right]^{2-}$ will be

The manganate and permanganate ions are tetrahedral, due to:

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

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

The number of sigma $(\sigma )$ and pi $(\pi )$ bonds in pent- $2$ -en- $4$ -yne is:

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

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

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

Which of the following compounds is used in cosmetic surgery?

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

Which of the following is incorrect statement?

Which of the following is paramagnetic?

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

Which of the following oxoacids of phosphorus has strongest reducing property?

Which of the following species is not stable?