हिंदी

The vapour density of CH3OH is ______. (At. Wt. C = 12, H = 1, O = 16) - Chemistry

Advertisements
Advertisements

प्रश्न

The vapour density of CH3OH is ______. (At. Wt. C = 12, H = 1, O = 16)

विकल्प

  • 32

  • 18

  • 16

  • 34

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The vapour density of CH3OH is 16. (At. Wt. C = 12, H = 1, O = 16)

Explanation:

Molecular weight = Vapour Density × 2

Molecular weight of CH3OH = 12 + 3 + 16 + 1 = 32

V.D. = `(M.W.)/2 = 32/2` = 16

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2022-2023 (March) Official

संबंधित प्रश्न

Prove the Following :
2 X V.D. = Molecular mass.


Calculate the relative molecular mass of Ammonium sulphate.
(use K = 39, Cl = 35.5, O = 16, C = 12, H = 1, Na = 23, N = 14, S= 32)


If a crop of wheat removes 20 Kg of nitrogen per hectare of soil, what mass of the fertilizer calcium nitrate,Ca(NO3)2 would be required to replace nitrogen in 10 hectare field? (N = 14, O = 16, Ca = 40)


When excess lead nitrate solution was added to a solution of sodium sulphate, 15.1g of lead sulphate was precipitated. What mass of sodium sulphate was present in the original solution?
Na2SO4 + Pb(NO3)2 → PbSO4 + 2NaNO3
(H = 1, C = 12, O = 16, Na = 23, S = 32, Pb = 207)


Chlorine, nitrogen, ammonia and sulphur dioxide gases are collected under the same conditions of temperature and pressure.
Copy the following table which gives the volumes of the gases collected, and the number of molecules (X) in 20L of nitrogen.You are to complete the table by giving the number of molecules in th e other gases, in terms of X.

Gas Volume(litres) Number of molecules
Chlorine 10  
Nitrogen 20 X
Ammonia 20  
Sulphur dioxide 5  

Give one word or phrase for the following:

Formation of ions from molecules.


Calculate the relative molecular mass of:

CuSO4. 5H2O


Calculate the number of hydrogen atoms in 0.1 mole of H2SO4.


The atomic mass of Chlorine is 35.5. What is its vapour density?


67.2 litres of hydrogen combines with 44.8 litres of nitrogen to form ammonia under specific conditions as:

\[\ce{N2_{(g)} + 3H2_{(g)} -> 2NH3_{(g)}}\]

Calculate the volume of ammonia produced. What is the other substance, if any, that remains in the resultant mixture?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×