Oxidation state of osmium(Os) in OsO₄ is
Oxidation state of osmium(Os) in OsO₄ is Options (a) 4 (b) 6 (c) 7 (d) 8 Correct Answer: 8Explanation:No explanation…
7 years ago
Chemistry
Ester and acetamide are distinguished dy
Ester and acetamide are distinguished dy Options (a) Grignard reagent (b) derivatives of fatty acids (c) hydrolysed with strong acids…
7 years ago
Chloroform,on warming with Ag power,gives
Chloroform,on warming with Ag power,gives Options (a) C₂H₂ (b) C₆H₆ (c) C₂H₄ (d) none of these Correct Answer: C₂H₂Explanation:No explanation…
7 years ago
Number of orbitals present in 3rd shell is
Number of orbitals present in 3rd shell is Options (a) 1 (b) 3 (c) 9 (d) 18 Correct Answer: 9Explanation:No…
7 years ago
The compound containing coordinate bond is
The compound containing coordinate bond is Options (a) SO₃ (b) H₂SO₄ (c) O₃ (d) all of these Correct Answer: all…
7 years ago
The cell membranes are mainly composed of
The cell membranes are mainly composed of Options (a) fats (b) proteins (c) phospholipids (d) carbohydrates Correct Answer: phospholipidsExplanation:No explanation…
7 years ago
If Na is heated in presence of air, it forms
If Na is heated in presence of air, it forms Options (a) Na₂CO (b) Na₂O₂ (c) Na₂O (d) both Na₂O₂…
7 years ago
Which of the following is used in refrigerant
Which of the following is used in refrigerant Options (a) SiC (b) CO₂ (c) CF₂Cl₂ (d) CHCl₃ Correct Answer: CF₂Cl₂Explanation:No…
7 years ago
Which of the following compound is not coloured
Which of the following compound is not coloured Options (a) Na₂[CuCl₄] (b) Na₂[CdCl₄] (c) K₄[Fe(CN)₆] (d) K₃[Fe(CN)₆] Correct Answer: Na₂[CdCl₄]Explanation:No…
7 years ago
What is formed when formaldehyde reacts with KOH
What is formed when formaldehyde reacts with KOH Options (a) Ethyl alcohol (b) Methanol (c) Acetylene (d) Methane Correct Answer:…
7 years ago