Consider the following equation for the formation of ammonia from nitrogen and hydrogen:
How many hydrogen molecules are required to react with molecules of nitrogen?
Important Questions on Concept of Atomic, Molecular and Equivalent Masses
Which of the following statements are true?
The valencies of the elements forming isomorphous compounds are the same.
Equivalent mass may vary with the change of valency.
Some elements show variable valency.
Select the correct answer using the codes given below.
Consider the following statements.
The number of moles is directly proportional to the number of molecules of the substance.
Mole concept is also applicable to ionic compounds, which do not contain molecules.
'Molecular mass' word is not suitable word for the ionic compounds.
Formula mass unit is taken for ionic compounds.
Select the correct answer using the codes given below codes
Match List with List and select the correct answer from the codes given below the lists:
| List | List | ||
| Molarity | Gram formula weight of solute in one litre of solution. | ||
| Molality | Number of gram equivalents of solute dissolved in one litre of solution. | ||
| Normality | Number of moles of solute dissolved in of solvent. | ||
| Formality | Number of moles of solute in one litre of solution. | ||
Which one among the following is the equivalent weight of sulphuric acid?
(Atomic weight: and )
Consider the following balanced chemical equation,
Which one of the following statements is significant in relation to the above chemical equation?
