Chemistry

Which of the following carbonates is the most stable?

Which of the following carbonates is the most stable? Options (a) MgCO₃ (b) CaCO₃ (c) SrCO₃ (d) BaCO₃ Correct Answer:…

Which of the following has a higher rate of reaction with water

Which of the following has a higher rate of reaction with water Options (a) Na (b) Li (c) Rb (d)…

Oxidation state of sulphur in S₈, H₂S and S₂F₂ is

Oxidation state of sulphur in S₈, H₂S and S₂F₂ is Options (a) 0, -2, -1 (b) 0, 2, -1 (c)…

Oxidation number of carbon in CH₂Cl₂ is

Oxidation number of carbon in CH₂Cl₂ is Options (a) 0 (b) 2 (c) 3 (d) 5 Correct Answer: 0Explanation:No explanation…

The pH value of 10⁻⁸ M HCl is

The pH value of 10⁻⁸ M HCl is Options (a) more than 7 (b) less than 7 (c) equal to…

The solubility product of a sparingly soluble salt AB at room temperature

The solubility product of a sparingly soluble salt AB at room temperature is 1.21 x 10⁻⁶.Its molar solubility is Options…

Among these intensive property is

Among these intensive property is Options (a) mass (b) volume (c) surface tension (d) enthalpy Correct Answer: surface tension Explanation:No…

At equilibrium, the value of change in Gibb’s free energy (ΔG) is

At equilibrium, the value of change in Gibb's free energy (ΔG) is Options (a) zero (b) positive (c) negative (d)…

Which of the following compounds shows evidence of the strongest hydrogen bond

Which of the following compounds shows evidence of the strongest hydrogen bonding Options (a) Propan-1-ol (b) Propan-2ol (c) Propane-1,2-diol (d)…

Which statement is incorrect

Which statement is incorrect Options (a) Phenol is a weak acid (b) Phenol is an aromatic compound (c) Phenol liberates…