The number of \(\sigma\) bonds, \(\pi\)-bonds, and lone pairs of electrons present in the product Z in the given reaction sequence are respectively:
IUPAC names of the following compounds A and B are:
For the reaction: $A_2(g) \rightleftharpoons B_2(g)$
The equilibrium constant $K_c$ is given as 99.0. In a 1 L closed flask, two moles of $B_2(g)$ is heated to $T(K)$. What is the concentration of $B_2(g)$ (in mol L$^{-1}$) at equilibrium?
Identify the correct statements from the following: [I.] At constant pressure, physical adsorption decreases with increase in temperature. [II.] Enthalpy of physisorption is higher than enthalpy of chemisorption. [III.] Gas mask used in coal mines consists of activated charcoal.
At \( T(K) \), the \( P, V \) and \( u_{\text{rms}} \) of 1 mole of an ideal gas were measured. The following graph is obtained. What is its slope (\( m \))? (x-axis = \( PV \); y-axis = \( u_{\text{rms}}^2 \); \( M \) = Molar mass)
Three layers of liquid are flowing over a fixed solid surface as shown below. The correct order of velocity of liquid in these layers is:
Identify the sets containing isostructural molecules from the following options: i: \({SiF}_4\), \({CCl}_4\) ii: \({NF}_3\), \({XeO}_3\) iii: \({BeCl}_2\), \({HgCl}_2\) iv: \({SF}_4\), \({XeF}_4\)
Acetophenone can be prepared from which of the following reactants?
Match the following:
The angular momentum of an electron in a stationary state of \(Li^{2+}\) (\(Z=3\)) is \( \frac{3h}{\pi} \). The radius and energy of that stationary state are respectively.
The square of the average speed of the argon gas at 27 \(^\circ\)C is (in m\(^2\)s\(^{-2}\)?): (\( R = 8.314 \, {J K}^{-1}{mol}^{-1} \), Atomic weight of Ar = 40 u)