A gas mixture contains 50% He and 50% Methane by volume. What is the percent by weight of methane in the mixture?
Options
(a) 19.97% (b) 20.05% (c) 50% (d) 80%
Correct Answer: […]
The compounds CHCl₃ and HF lead to the formation of a compound of fluorine of molecular weight 70.The compound is
Options
(a) fluoroform (b) fluoric monoxide (c) fluoride dioxide (d) fluoro methanol
Correct […]
Standard reduction potential for Al³⁺ / Al , Fe²⁺ / Fe, Br/Br are ₋1.66 V, ₋0.45 V, 1.09 V. Order of their reducing capacity is
Options
(a) Al>Fe>Br (b) Br>Fe>Al (c) Al>Br>Fe (d) […]
The pH value of the solution in which a particular amino acid dose not migrate the influence of an electric field is called the
Options
(a) eutectic point (b) yielding point (c) neutralization […]
The C-C bond length is longest in
Options
(a) C₂H₂ (b) C₂H₄ (c) C₆H₆ (d) C₂H₂Br
Correct Answer:
C₆H₆
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Cannizzaro reaction is not given by
Options
(a) methanal (b) phenyl methanal (c) 2,2-dimethylbutanal (d) phenyl ethanal
Correct Answer:
phenyl ethanal
Explanation:
No explanation available. Be the first to write the explanation for […]
Which of the following is a basic dye
Options
(a) Congo red (b) Aniline yellow (c) Alizarin (d) Indigo
Correct Answer:
Aniline yellow
Explanation:
No explanation available. Be the first to write the […]
Which would exhibit ionisation isomerism
Options
(a) [Co(NH₃)₄] [Cr(C₂O₄)₃] (b) [CoBr(NH₃)₅]²⁺SO₄²⁻ (c) [CoBr(NH₃)₅] (d) K₃(Fe(CN)₆]
Correct Answer:
[CoBr(NH₃)₅]²⁺SO₄²⁻
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Sodium Hydroxide reacts with Zinc to form
Options
(a) ZnO (b) Na₂ZnO₂ (c) ZnH₂ (d) Zn(OH)₂
Correct Answer:
Na₂ZnO₂
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Magnetic moment of (NH₄)₂[MnBr₄] is ___ BM
Options
(a) 5.91 (b) 4.91 (c) 3.91 (d) 2.46
Correct Answer:
5.91
Explanation:
No explanation available. Be the first to write the explanation for this question […]
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