The empirical formula of an acid is CH₂O₂ , the probable molecular formula of
The empirical formula of an acid is CH₂O₂ , the probable molecular formula of acid may be Options (a) CH₂O…
7 years ago
AFMC2000
Vapour density of a gas is 22. What is its molecular weight
Vapour density of a gas is 22. What is its molecular weight Options (a) 33 (b) 22 (c) 44 (d)…
7 years ago
If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion
If heat of formation of C + O₂ → 2CO is ΔH = -110.5 kcal,then heat of combustion of carbon…
7 years ago
When iodine is dissolved in CCl₄, the resulting colour is
When iodine is dissolved in CCl₄, the resulting colour is Options (a) brown (b) violet (c) yellow (d) bluish green…
7 years ago
Which of the following reaction is endothermic
Which of the following reaction is endothermic Options (a) N₂ + O₂ → 2NO (b) H₂ + Cl₂ → 2HCl…
7 years ago
In the formation of [Ni(CN)₄]²⁻, the type of hybridisation involved is
In the formation of [Ni(CN)₄]²⁻, the type of hybridisation involved is Options (a) sp² (b) sp³d (c) dsp² (d) sp³d…
7 years ago
CuSO₄ dissolves in NH₃ due to the formation of
CuSO₄ dissolves in NH₃ due to the formation of Options (a) Cu(OH)₂ (b) Cu[(NH₃)₄]SO₄ (c) Cu[(NH₃)₄(OH)₂] (d) CuO Correct Answer:…
7 years ago
Which of the following has lowest pH value
Which of the following has lowest pH value Options (a) 1 M HCl (b) 1 M NaOH (c) 1 M…
7 years ago
The turbidity of a polymer solution measures the
The turbidity of a polymer solution measures the Options (a) light absorbed by the solution (b) light transmitted by the…
7 years ago
Which of the following undergoes sublimation
Which of the following undergoes sublimation Options (a) ZnCl₂ (b) CuCl₂ (c) AgCl (d) NH₄Cl Correct Answer: NH₄ClExplanation:No explanation available.…
7 years ago