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The correct order of increasing bond order among the given is:
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
The total number of electrons present in $1.6\text{ g}$ of methane is:
The pairs of species of oxygen and their magnetic behaviours are given below. Which of the following represents the correct description?
The correct shape and hybridisation for $\text{XeF}_4$ are:
Concentrated aqueous sulphuric acid is $98\% \text{ H}_2\text{SO}_4$ by mass and has a density of $1.80 \text{ g mL}^{-1}$. The volume of acid required to make one litre of $0.1 \text{ M}$ $\text{H}_2\text{SO}_4$ solution is:
$d\pi - p\pi$ bond is present in:
Which of the following set of molecules will have zero dipole moment?
Which of the following species contains an equal number of $\sigma$ and $\pi$ bonds?
Which of the following compounds has a higher hydration energy than the lattice energy?
The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is:
Choose the correct option for the total pressure (in atm.) in a mixture of 4 g O_2 and 2 g H_2 confined in a total volume of one litre at 0°C is : [Given R = 0.082 L atm mol^-1K^-1, T = 273 K]
Among the following, the pair in which the two species are not isostructural is:
The incorrect statement among the following for sigma- ($\sigma$) and pi- ($\pi$) bonds formed between two carbon atoms is:
$BF_3$ is a planar and an electron-deficient compound. Hybridisation and the number of electrons around the central atom, respectively, are:
The compound that forms a linear polymer due to hydrogen bonding is:
Which one of the following pairs of species have the same bond order?
The correct order of increasing thermal stability of $\text{K}_2\text{CO}_3$, $\text{MgCO}_3$, $\text{CaCO}_3$ and $\text{BeCO}_3$ is:
Increasing order of bond length is:
If the main axis of a diatomic molecule is z, then the molecular orbital $p_x$ and $p_y$ overlap to form which of the following orbital: