📚NCERT Questions — CBSE11

How is a double bond formed between two atoms?

What does the enthalpy of atomization (Δ_a H°) represent?

A compound has a molar mass of 98.96 g/mol and its percentage composition is 4.07% H, 24.27% C, and 71.65% Cl. Determine its molecular formula. (Atomic masses: H=1.008, C=12.01, Cl=35.453)

For an ideal gas, what is the relationship between molar heat capacity at constant pressure (C_p) and molar heat capacity at constant volume (C_v)?

A spontaneous process is defined as one that:

Which ancient Indian scientist is credited with discovering mercury sulphide and inventing soap?

Which type of molecular orbital has lower energy and greater stability?

In heterogeneous equilibria involving pure solids or liquids, why are their molar concentrations typically omitted from the equilibrium constant expression?

In thermodynamics, what constitutes the 'universe'?

At 60°C, dinitrogen tetroxide (N₂O₄) is 50% dissociated into NO₂. Calculate the standard free energy change (Δ_r G°) at this temperature and at one atmosphere. (R = 8.314 J K⁻¹ mol⁻¹)