Chemistry Inorganic Chemistry questions from JEE Main 2012.
Although $\mathrm{CN}^{-}$ion and $\mathrm{N}_2$ molecule are isoelectronic, yet $\mathrm{N}_2$ molecule is chemically inert because of
Among the following chloro-compound having the lowest dipole moment is
Among the following species which two have trigonal pyramidal shape? (I) $\mathrm{NI}_3$ (II) $\mathrm{I}_3^{-}$ (III) $\mathrm{SO}_3^{2-}$ (IV) $\mathrm{NO}_3^{-}$
Among the following, the molecule with the lowest dipole moment is
Among the following, the species having the smallest bond is
Based on lattice energy and other considerations, which one of the following alkali metal chloride is expected to have the highest melting point?
Dipole moment is shown by
How many cyclic structures are possible for $\mathrm{C}_4 \mathrm{H}_6$ ?
In which of the following arrangements, the sequence is not strictly according to the property written against it?
In which of the following pairs the two species are not isostructural?
Iron exhibits $+2$ and $+3$ oxidation states. Which of the following statements about iron is incorrect?
Magnetic moment of $\mathrm{Gd}^{3+}$ ion $(\mathrm{Z}=64)$ is
Reagent used to convert allyl alcohol to acrolein is
Square-planar geometry is shown by
The $d$-electron configurations of $\mathrm{Cr}^{2+}, \mathrm{Mn}^{2+}, \mathrm{Fe}^{2+}$ and $\mathrm{Co}^{2+}$ are $d^4, d^5, d^6$ and $d^7$ respectively. Which one of the following will exhibit the lowest paramagnetic behaviour? (Atomic no. $\mathrm{Cr}=24, \mathrm{Mn}=25, \mathrm{Fe}=26, \mathrm{Co}=27$ ).
The complex ion $\left[\operatorname{Pt}\left(\mathrm{NO}_2\right)(\mathrm{Py})\left(\mathrm{NH}_3\right)\left(\mathrm{NH}_2 \mathrm{OH}\right)\right]^{+}$ will give
The compound of xenon with zero dipole moment is
The correct order of ligands in the spectrochemical series is
The formation of molecular complex $\mathrm{BF}_3-\mathrm{NH}_3$ results in a change in hybridization of boron
The molecule having smallest bond angle is :
The number of $\mathrm{S}-\mathrm{S}$ bonds in $\mathrm{SO}_3, \mathrm{~S}_2 \mathrm{O}_3^{2-}$ $\mathrm{S}_2 \mathrm{O}_6^{2-}$ and $\mathrm{S}_2 \mathrm{O}_8^{2-}$ respectively are
The number of unpaired electrons in Gadolinium $[\mathrm{Z}=64]$ is
Which among the following elements has the highest first ionization enthalpy?
Which among the following will be named as dibromidobis (ethylene diamine)chromium(III) bromide?
Which is not the correct Statement? (At. nos. $\mathrm{Ce}=58, \mathrm{Lu}=71, \mathrm{La}=57, \mathrm{Yb}=70$ )
Which of the following complex ions will exhibit optical isomerism? (en = 1, 2-diamine ethane).
Which of the following forms stable $+4$ oxidation state?
Which of the following has the square planar structure?
Which of the following presents the correct order of second ionization enthalpies of $\mathrm{C}, \mathrm{N}, \mathrm{O}$ and $\mathrm{F}$ ?
Which of the oxide groups among the following cannot be reduced by carbon?
Which one of the following will react most vigorously with water?
Which pair of elements with the given atomic numbers is expected to have similar properties?