The number of π-bond present in propyne is
The number of π-bond present in propyne is
Options
(a) 4 (b) 1 (c) 3 (d) 2
Correct Answer:
2
Explanation:
No explanation available. Be the first to write the explanation for this […]
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300 mL of a gas at 27⁰C is cooled to -3⁰C at constant pressure
300 mL of a gas at 27⁰C is cooled to -3⁰C at constant pressure. The final volume is
Options
(a) 350 L (b) 270 mL (c) 540 L (d) 135 mL
Correct Answer: […]
Ionic hydrides reacts with water to give
Ionic hydrides reacts with water to give
Options
(a) hydride ion (b) acidic solution (c) protons (d) basic solution
Correct Answer:
basic solution
Explanation:
No explanation available. Be the first to write the […]
Which conversion is an oxidation
Which conversion is an oxidation
Options
(a) SO₄²⁻ → SO₃ (b) Cu²⁺ → Cu (c) H⁺ → H (d) H⁻ → H
Correct Answer:
H⁻ → H
Explanation:
No explanation available. Be the […]
Action of nitrous acid on ethyl amine gives
Action of nitrous acid on ethyl amine gives
Options
(a) nitromethane (b) NH₃ (c) C₂H₆ (d) C₂H₅OH
Correct Answer:
C₂H₅OH
Explanation:
CH₂CH₂NH₂ → C₂H₅OH + N₂ + H₂O.
NaNO₂ + HCl → NaCl + […]
Which is weakest acid
Which is weakest acid
Options
(a) HI (b) HBr (c) HCl (d) HF
Correct Answer:
HF
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Polyethylene is a resin obtained by polymerization of
Polyethylene is a resin obtained by polymerization of
Options
(a) styrene (b) isoprene (c) ethylene (d) butadiene
Correct Answer:
ethylene
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which is weakest acid
Which is weakest acid
Options
(a) HI (b) HBr (c) HCl (d) HF
Correct Answer:
HF
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
The term-dc/dt in a rate equation refers to
The term-dc/dt in a rate equation refers to
Options
(a) the decrease in concentration of the reactant with time (b) the concentration of a reactant (c) the change in concentration of the reactant […]