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Dipole-induced dipole interactions are present in which of the following pairs?
The correct order of solubility in an aqueous medium is:
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?
Which one of the following molecules contain no $\pi$ -bond?
The total number of possible isomers for the complex $[Co(en)_2Cl_2]Cl$ are: [$en$ - ethylenediamine]
Which of the following has the minimum bond length?
In which of the following pairs of molecules/ions, the central atoms have $sp^2$ hybridisation?
Which of the following compounds has the lowest melting point?
The state of hybridisation of carbons marked 2, 3, 5 and 6 in the following hydrocarbon are, respectively: $\overset{6}{\text{CH}_3}-\overset{5}{\text{CH}}=\overset{4}{\text{CH}}-\overset{3}{\text{CH}_2}-\overset{2}{\text{C}}\equiv\overset{1}{\text{CH}}$
The tendency of $\text{BF}_3$, $\text{BCl}_3$, and $\text{BBr}_3$ to behave as Lewis acid decreases in the sequence:
The hybridisations of atomic orbitals of nitrogen in NO$^+$, NO$_3^-$ and NH$_3$ respectively are:
Which of the following species has a bond angle of 120$$^\circ$$?
In which of the following molecules, all atoms are coplanar?
The complex that is used as an anticancer agent is:
The shape of $Fe(CO)_5$ is:
The correct order of energies of molecular orbitals of N$$_2$$ molecule is:
Which one of the following statements is correct?
Internal energy is an example of:
Which pair of the following compounds has one lone pair of electrons on the central atom?
The heat of combustion of carbon to $\text{CO}_2$ is $-393.5 \text{ kJ/mol}$. The heat released upon the formation of $35.2 \text{ g}$ of $\text{CO}_2$ from carbon and oxygen gas is: