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:
8
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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 or alkail (d) both ‘c’ and ‘b’
Correct Answer:
hydrolysed with strong […]
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:
C₂H₂
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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:
9
Explanation:
No explanation available. Be the first to write the explanation for this […]
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 of these
Explanation:
Coordinate bond is a special type of covalent bond which […]
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:
phospholipids
Explanation:
No explanation available. Be the first to write the explanation for this […]
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 and Na₂O
Correct Answer:
both Na₂O₂ and Na₂O
Explanation:
No explanation available. Be […]
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:
CF₂Cl₂
Explanation:
No explanation available. Be the first to write the explanation for this […]
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 explanation available. Be the first to write the explanation for this […]
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:
Methanol
Explanation:
No explanation available. Be the first to write the explanation for […]