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NARAYNA-SOME BASIC CONCEPTS IN CHEMISTRY STOICHIOMETRY (PART-I)-All Questions
- If N(A) is Avogadro's number, then the number of oxygen atom in one g-...
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- At STP one litre of a gas weight 1.25 grams. The gas contains 85.71% o...
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- A certain compound contains magnesium, carbona dn Nitrogen in the mass...
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- An organic compound having molecular mass 60 is found to contain C = 2...
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- A compound of phosphorous and sulphur contains 1.24gm of phosphorous ...
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- A compound has 40% of carbon by weight. If molecular weight of the com...
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- A compound has 20% of nitrogen by weight. If one molecule of the compo...
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- 3.0gms of an organic compound on combustion give 8.8 gm of CO(2) and 5...
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- The oxide of a metal contains 40% of oxygen. The valency of metal is 2...
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- A solution containing 0.2 mole of ferric chloride is allowed to react ...
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- CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O(l), DeltaH =- 890 kJ what i...
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- What weight of hydrogen at STP couble be contained in a vessel that ho...
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- 100 mL of x M KMnO(4) is requried oxidise 200 mL of 0.2 M ferric o...
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- 19g og a mixture containing NaHCO(3) and Na(2)CO(3) on complete heatin...
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- The number of molecules of CO(2) liberated by the complete combustion ...
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- An aqueous solution of 6.3 g oxalic acid dihydrate is made up to 250 m...
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- The normality of orthophosphoric acid having purity of 70% by weight...
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- Mole fraction of C(3)H(5)(OH)(3) in a solution of 36g of water and 46g...
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- The volume of water to be added to 400 ml of N//8 HCI to make it exact...
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- When 100 ml of 10M solution of H(2)SO(4) and 100ml of 1M solution of N...
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