Equal masses of H₂, O₂ and methane have been taken in a container of volume V at temperature 27⁰C in identical conditions.The ratio of the volumes of gases H₂:O₂: methane would be
Options
D(+)-glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be
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(a)
(b)
(c)
(d)
MISSING
Correct Answer: Explanation:
No explanation available. Be the first […]
Calculate the energy in joule corresponding to light of wavelength 45nm.(Plank’s constant , h=6.63 ˣ 10⁻³⁴ Js, speed of light , c = 3 ˣ 10⁸ ms⁻¹)
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(a) 6.67 ˣ 10¹⁵ (b) […]
Be²⁺ is isoelectronic with which of the following ions?
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(a) H⁺ (b) Li⁺ (c) Na⁺ (d) Mg²⁺
Correct Answer:
Li⁺
Explanation:
Be²⁺= (4-2) = 2 is isoelectronic with Li⁺ (3-1 =2) Since both […]
Artificial sweetner which is stable under cold conditions only is
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(a) saccharine (b) sucralose (c) aspartame (d) alitame
Correct Answer:
aspartame
Explanation:
No explanation available. Be the first to write the explanation […]
Among the following sets of reactants which one produces anisole
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(a) CH₃CHO ; RMgX (b) C₆H₅OH ; NaOH ; CH₃I (c) C₆H₅OH ; neutral FeCl₃ (d) C₆H₅CH₃ ; CH₃COCl ; AlCl₃
Correct […]
Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is
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(a) [Mn(H₂O)₆]³⁺ (b) [Fe(H₂O)₆]³⁺ (c) [Co(H₂O)₆]²⁺ (d) [Co(H₂O)₆]³⁺
Correct Answer:
[Fe(H₂O)₆]³⁺
Explanation:
No explanation available. Be the […]
Acidity of diprotic acids in aqueous solutions increases in the order
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(a) H₂S < H₂Se < H₂Te (b) H₂Se < H₂S < H₂S (c) H₂Te < H₂S < H₂Se (d) H₂Se < […]
1.0 g of magnesium is burnt with 0.56 g O₂ in a closed vessel.Which reactant is left in excess and how much? (At.wt.Mg=24, O=16)
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(a) Mg,0.16g (b) O₂,0.16g (c) Mg,0.44g (d) O₂,0.28g
Correct […]
(I) H₂O₂ + O₃ → H₂O + 2O₂ (II) H₂O₂ + Ag₂O → 2Ag + H₂O + O₂ Role of hydrogen peroxide in the above reactions is respectively
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(a) Oxidizing in (I) […]
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