What are X and Y respectively in the following reaction sequence?
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.
The number of \(\sigma\) bonds, \(\pi\)-bonds, and lone pairs of electrons present in the product Z in the given reaction sequence are respectively:
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 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)
What are the reagents X and Y respectively used in the following reaction sequence to convert a nitrile to a methyl group?
The standard Gibbs free energy change \( \Delta G^\circ \) of a cell reaction is \(-301 { kJ/mol}\). What is \( E^\circ \) in volts? (Given: \( F = 96500 { C/mol}\), \( n = 2 \))
Malachite is a mineral of metal ‘X’. Its composition is: