NEET UG 2013 — Inorganic Chemistry

Crystal field spliting energy for high spin $d^4$ octahedral complex is:

$\mathrm{XeF}_2$ is isostructural with

Which of the following lanthanoid ions is diamagnetic? (At. nos. $\mathrm{Ce}=58, \mathrm{Sm}=62, \mathrm{Eu}=63$, $\mathrm{Yb}=70$ )

In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic:

Which of the following is paramagnetic?

Which of the following does not give oxygen on heating?

The outer electronic configuration of $\mathrm{Gd}$ (At. No. 64) is:

Which of these is not a monomer for a high molecular mass silicone polymer?

Identify the correct order of solubility in aqueous medium.

What is the hybridisation state of 

The anion of acetylacetone (acac) forms Co $(\mathrm{acac})^{3+}$ chelate with $\mathrm{Co}^{3+}$. The rings of the chelate are:

Which of the following is electron deficient?

The outer orbitals of $\mathrm{C}$ in ethene molecule can be considered to be hybridized to give three equivalent $s p^2$ orbitals. The total number of sigma $(\sigma)$ and pi $(\pi)$ bonds in ethene molecule is:

Which of the following is a polar molecule?

Dipole-induced dipole interactions are present in which of the following pairs?

Which among the following is a paramagnetic complex? (At. no. $\mathrm{Mo}=42, \mathrm{Pt}=78, \mathrm{Co}=27$ )

$\mathrm{Sc}(\mathrm{Z}=21)$ is transition element but $\mathrm{Zn}$ $(Z=30)$ is not because:

Identify the incorrect statement, regarding the molecules $\mathrm{XeO}_4$ :

Which is diamagnetic?

Which one of the following arrangements represents the correct order of least negative to most negative electron gain enthalpy for $\mathrm{C}, \mathrm{Ca}, \mathrm{Al}, \mathrm{F}$ and $\mathrm{O}$ ?

The pair of species that has the same bond order in the following is:

$\mathrm{KMnO}_4$ can be prepared from $\mathrm{K}_2 \mathrm{MnO}_4$ as per reaction \(3 \mathrm{MnO}_2^{2-}+2 \mathrm{H}_2 \mathrm{O} \rightleftharpoons 2 \mathrm{MnO}_4^{-}+\mathrm{MnO}_2+4 \mathrm{OH}^{-}\). The reaction can go to completion by removing $\mathrm{OH}^{-}$ions by adding

Which of the following structure is similar to graphite?

Which one of the following molecules contain no $\pi$-bond?

Which of the following statements about the interstitial compounds is incorrect?

The basic structural unit of silicates is

The correct IUPAC name for $\left[\mathrm{CrF}_2(e n)_2\right]$ $\mathrm{Cl}$ is:

In which of the following pair both the species have $s p^3$ hybridization?