List of practice Questions

In the structure of P\(_4\)O\(_{10}\), the number of P-O-P bond(s) is ................
Number of vertices in an icosahedral closo-borane is ................
One liter of a buffer solution contains 0.004 mole of acetic acid (pK\(_a\) = 4.76) and 0.4 mole of sodium acetate. The pH of the solution is ................. (Round off to two decimal places)
The correct statement(s) among the following is/are
The bond order of N\(_2^+\) ion is ................. (Round off to one decimal place)
The unit of the constant ‘a’ in van der Waals equation of state of a real gas can be expressed as
Among the following, microwave active molecule(s) is/are
The true statement(s) regarding the brown ring test carried out in the laboratory for the detection of NO\(_3^-\) is/are
The true statement(s) regarding the carbonic anhydrase enzyme is/are
The correct statement(s) about NO$_2$, NO$_2^+$ and CO$_2$ is/are
The compound formed upon subjecting an aliphatic amine to Lassaigne’s test is
Among the following compounds, the one having the lowest boiling point is
The correct option having one complex from each of the following pairs which is more reactive towards the oxidative addition reaction by hydrogen molecule is
Among the following, the correct statement is
The ratio of the nearest neighbor atomic distances in body-centered cubic (bcc) and face-centered cubic (fcc) crystals with the same unit cell edge length is
In qualitative inorganic analysis of metal ions, the ion which precipitates as sulfide in the presence of H$_2$S in warm dilute HCl is
The correct statement regarding the observed magnetic properties of NO, O$_2$, B$_2$ and C$_2$ in their ground state is
The correct option for the number of bending modes of vibration in each of H$_2$O, CS$_2$, and SO$_2$ molecules, respectively, is
The total number of degrees of freedom of an HBr molecule that is constrained to translate along a straight line but does not have any constraints for its rotation and vibration is
According to the kinetic theory of gases, the ratio of the root mean square velocity of molecular oxygen and molecular hydrogen at 300 K is
The half-life of the chemical reaction, A \(\rightarrow\) Product, for initial reactant concentrations of 0.1 and 0.4 mol L\(^{-1}\) are 200 and 50 s, respectively. The order of the reaction is
For three non-coplanar vectors a, b and c, the expression a $\cdot$ (b $\times$ c) can be written as
Correct trend in the bond order is
The correct option for the metal ion present in the active site of myoglobin, hemocyanin and vitamin B12, respectively, is
The number of vibrational mode(s) of a carbon dioxide molecule that can be detected using infrared spectroscopy is