Role of hydrogen peroxide in the above reactions is respectively
(I) H₂O₂ + O₃ → H₂O + 2O₂ (II) H₂O₂ + Ag₂O → 2Ag + H₂O + O₂ Role of…
7 years ago
Chemistry
The bond length in LiF will be
The bond length in LiF will be Options (a) less than that of NaF (b) more than that of KF…
7 years ago
Sulphur ion is
Sulphur ion is Options (a) square planar (b) pyramidal (c) rhombic (d) tetrahedral Correct Answer: tetrahedralExplanation:No explanation available. Be the…
7 years ago
Element having maximum electron affinity is
Element having maximum electron affinity is Options (a) F₂ (b) Cl₂ (c) Br₂ (d) I₂ Correct Answer: Cl₂Explanation:Electron affinity generally…
7 years ago
The electronic configuration of chalcogens is
The electronic configuration of chalcogens is Options (a) ns²np² (b) ns²np³ (c) ns²np⁴ (d) ns²np¹ Correct Answer: ns²np⁴Explanation:The elements of…
7 years ago
According to Dalton’s atomic theory the smallest partical of the matter is called
According to Dalton's atomic theory the smallest partical of the matter is called Options (a) an ion (b) an atom…
7 years ago
Which is purified by steam distillation
Which is purified by steam distillation Options (a) Aniline (b) Benzoic acid (c) petroleum (d) Naphthalene Correct Answer: AnilineExplanation:Aniline is…
7 years ago
What is the number of mols of hydrogen atoms in 3.2g of methane
What is the number of mols of hydrogen atoms in 3.2g of methane Options (a) 0.2 (b) 0.4 (c) 0.8…
7 years ago
By what factor does the average velocity of a gaseous molecule increase
By what factor does the average velocity of a gaseous molecule increase when the temperature (in K) is doubled Options…
7 years ago
If pressure is constant, the rate of diffusion varies with … proportional to density
If pressure is constant, the rate of diffusion varies with ... proportional to density Options (a) directly (b) inversely (c)…
7 years ago