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The potential energy (y) curve for $H_{2}$ formation as a function of internuclear distance (x) of the $H$ atoms is shown below. The bond energy of $H_{2}$ is:
The total number of $\pi$-bond electrons in the following structure is:
Which of the two species, $NO_{3}^{-}$ or $H_{3}O^{+}$, has the correctly described properties listed below?
The correct order of C-O bond length among CO, $CO_3^{2-}$, and $CO_2$ is:
Among the following, the compound that is electron deficient is:
The correct order of dissociation energy of $N_{2}$ and $N_{2}^{+}$ is:
Which of the following is the most basic oxide?
A species that does not exhibit paramagnetism is:
Which of the following is a paramagnetic compound?
Which statement about peptide bonds is NOT true?
Match the compounds given in Column I with the hybridization and shape given in Column II and mark the correct option. **Column I** (A) XeF₆ (B) XeO₃ (C) XeOF₄ (D) XeF₄ **Column II** (1) Distorted octahedral (2) Square planar (3) Pyramidal (4) Square pyramidal
Match the following oxides with their nature: **Column I** (a) CO (b) BaO (c) Al₂O₃ (d) Cl₂O₇ **Column II** (i) Basic (ii) Neutral (iii) Acidic (iv) Amphoteric
The hybridisations of atomic orbitals of nitrogen in $\text{NO}_2^+$, $\text{NO}_3^-$ and $\text{NH}_4^+$ are:
Which one of the following is the correct order of decreasing bond enthalpies for the given species?
What is the dominant intermolecular force that must be overcome in converting liquid $CH_3OH$ to a gas?
Which of the following pairs of compounds is isoelectronic and isostructural?
The correct bond order in the following species is:
Which of the following oxoacid of sulphur has $-O-O-$ linkage?
Dipole-induced dipole interactions are present in which of the following pairs?
Which one of the following pairs is isostructural (i.e., having the same shape and hybridization)?