UNITED BOOK HOUSE-MODEL QUESTION PAPER 3-EXERCISE
- Give an example of a molecule which violets octet rule.
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- Between N2O and NO2 molecules which one is more polar? Explain.
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- Mention the state of hybridasation of the .central atom in the followi...
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- Calculate the total pressure in a mixture of 8g of oxygen and 4 g of h...
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- What property of molecules of real gases is indicated by van der Waal’...
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- State and explain the first law of thermodynamics.
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- Deduce the relation between enthalpy and internal energy for gaseous s...
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- Write one equation where DeltaH ,= DeltaE.
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- In the reaction, A rarrB + C, DeltaH =25 kJ mor^-1 and DeltaS = 62.5 J...
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- What is the oxidation number of ‘P atom in K4P2O7 molecule?
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- Balence the following chemical equation by oxidation numbermethod : Cu...
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- Balence the following chemical equation by ion-electron method:MnO2 + ...
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- What is the change in oxidation number of manganese in the reduction o...
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- How does H2O2 behaves as a bleaching agent?
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- Complete the following reactions: CO(g)+ H(2) (g) underset("catalyst ...
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- Potassium carbonate cannot be prepared by Solvey Process -explain.
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- Water glass is
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- What is ‘slaked lime’?
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- Ariange Be(OH)2, Ba(OH)2 and Ca(OH)2 inordcr of increasing solubility...
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- The bond dissociation enthalpy of C6H5CH2— H bond is much less than CH...
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