In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following
In the reaction : 4Fe + 3O₂ ⇌ 4Fe³⁺ + 6O₂²⁻. Which of the following statement is incorrect Options (a)…
7 years ago
Chemistry
CaCO₃ ⇌ CaO + CO₂ reaction in a lime kiln goes to completion because
CaCO₃ ⇌ CaO + CO₂ reaction in a lime kiln goes to completion because Options (a) CaO does not react…
7 years ago
If concentration of reactants is increased by ‘x’,then the K becomes
If concentration of reactants is increased by 'x',then the K becomes Options (a) K + x (b) ln K /x…
7 years ago
The heat of neutralization of a strong base and a strong acid is 57 kJ.
The heat of neutralization of a strong base and a strong acid is 57 kJ.The released when 0.5 mole of…
7 years ago
Internal energy is
Internal energy is Options (a) partly potential and partly kinetic (b) totally kinetic (c) totally potential (d) none of these…
7 years ago
Which of the following is the weakest bond
Which of the following is the weakest bond Options (a) Hydrogen bond (b) Metallic bond (c) Ionic bond (d) Covalent…
7 years ago
Which of the following is not linear
Which of the following is not linear Options (a) CO₂ (b) H₂O (c) HF (d) HCl Correct Answer: H₂OExplanation:No explanation…
7 years ago
The correct order of electron affinity is
The correct order of electron affinity is Options (a) B < C < O > N (b) B > C…
7 years ago
Which of the following is the lightest metal
Which of the following is the lightest metal Options (a) Cu (b) Li (c) Au (d) Fe Correct Answer: LiExplanation:No…
7 years ago
The isotopes of elements were discovered by
The isotopes of elements were discovered by Options (a) Thomson (b) Soddy (c) Chadwick (d) Curie Correct Answer: SoddyExplanation:No explanation…
7 years ago