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An isostructural compound with $XeF_2$ among the following is:
Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has a high melting point?
In which of the following pairs of molecules/ions, the central atoms have $sp^2$ hybridization?
The pairs of species of oxygen and their magnetic behaviours are given below. Which of the following represents the correct description?
Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital Theory?
Match the coordination number and type of hybridisation with the distribution of hybrid orbitals in space based on Valence Bond Theory. **List I (Coordination number and type of hybridisation):** (a) 4, $sp^{3}$ (b) 4, $dsp^{2}$ (c) 5, $sp^{3}d$ (d) 6, $d^{2}sp^{3}$ **List II (Distribution of hybrid orbitals in space):** (i) Trigonal bipyramidal (ii) Octahedral (iii) Tetrahedral (iv) Square planar
Which of the two ions from the list given below have the geometry that is explained by the same hybridisation of orbitals, $NO_2^-$, $NO_3^-$, $NH_2^-$, $NH_4^+$, $SCN^-$?
A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre
The hybridisations of atomic orbitals of nitrogen in $\text{NO}_2^+$, $\text{NO}_3^-$ and $\text{NH}_4^+$ are:
Which of the following has the minimum bond length?
Which mixture of the solutions will lead to the formation of negatively charged colloidal $[AgI]I^-$ sol ?
Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them.
Among the following, the compound that is electron deficient is:
The mixture that forms maximum boiling azeotrope is:
Among the options given below, identify the isoelectronic species:
A molecule that cannot exist is:
The manganate and permanganate ions are tetrahedral, due to :
Which statement about peptide bonds is NOT true?
Which of the following is a paramagnetic compound?
The crystal field stabilisation energy (CFSE) and the 'spin only' magnetic moment of $[FeF_6]^{3-}$ ion respectively, are: