8. For an endothermic reaction, where 𝛥𝐻 represents the enthalpy of the reaction in kJ/mol, the minimum value for the energy of activation will be: a. Less than 𝛥𝐻 b. […]
7. Among the following, the one that gives positive Iodoform test upon reaction with I2 and NaOH is: (A) (B) (C) (D) a. Molecule (A) b. Molecule (B) c. Molecule […]
6. A helium atom is heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is a. twice that of a hydrogen molecule b. […]
5. When a non-volatile solute is dissolved in a pure solvent, the difference between the freezing points of the solvent alone and the solution is a. positive b. negative c. […]
4. Which of the following molecules will have a dipole moment? a. CH4 b. NH3 c. CCl4 d. CO2 Which Molecules Have Dipole Moment: CH4, NH3, CCl4, CO2 Explained NH3 […]
3. Dinitrogen tetroxide (N2O4) breaks down into nitrogen dioxide (NO2). If the reaction is reversible and endothermic, which condition will give the largest yield of NO2? a. High temperature and […]
15. If |0 and |1 represent an orthonormal basis for the states of a single qubit, which of the following represents an entangled state of two qubits A and B? […]
14. Which one of the following quantities is invariant under Lorentz transformation? a. Charge density b. Charge c. Current d. Electric field Introduction to Lorentz Invariant Quantities In special relativity, […]
