Which German chemist and physicist proposed that an aromatic compound must have an odd number of pairs of electrons, Which can mathematically be written as 4n + 2 (n = 0,1,2,3, etc) in 1931?

Who received the Nobel Prize in 1901 for ‘recognition of the extraordinary services rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions’?

The signs of charges of electron, proton and neutron are __________, respectively.

Which German chemist used the technique of preparing hydrocarbons by electrolysis of solutions of salts of fatty acids?

Which scientist synthesised an organic compound, urea, from an inorganic compound, ammonium cyanate?

In 1937, who along with Sir Christopher Ingold proposed nucleophilic substitution reactions of alkyl halides and related compounds?

The signs of charges of electron, proton and neutron are __________, respectively.

Which of the following statements accurately reflects the Second Law of Thermodynamics?

Which of the following statements accurately reflects the Second Law of Thermodynamics?

Which of the following statements is incorrect about the ideal gas equation PV=nRT? 

Consider the following statements about thermodynamics:

1. In an isothermal process, the internal energy of an ideal gas remains constant.
2. An adiabatic process is always reversible.
3. The entropy change in the reversible adiabatic process is zero.

Which statement(s) is/are correct?

In 1784, who discovered the composition of water through his experiment with hydrogen and oxygen?

Which principle states that if a system at equilibrium is subjected to a change in concentration, temperature, volume, or pressure, then the system readjusts itself to counteract the effect of the applied change?

Which of the following statements best describes the Law of Conservation of Energy?

Who coined the term ‘zeroth law of thermodynamics’ in 1931, which asserts that two bodies in equilibrium with a third are in equilibrium with each other?

In which year did Antoine Lavoisier publish ‘Methods of Chemical Nomenclature’, which included the rules for naming chemical compounds that are still in use today?

Which of the following statements best describes the Law of Conservation of Energy?

Which principle states that if a system at equilibrium is subjected to a change in concentration, temperature, volume, or pressure, then the system readjusts itself to counteract the effect of the applied change?

Which of the following statements best describes the Law of Conservation of Energy?