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OSWAAL PUBLICATION-Solved Paper 2019-2-Exercise
- What is temporary hardness of water?
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- Explain the diagonal relationship between LIthium and Magnesium
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- Explain the structure of diborane molecule.
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- A compound contains 4.07% hydrogen,24.27% carbon and 71.65% chlorine....
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- Calculate the molecular mass of an atom.
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- Write the value of n,l and m for electron present in 2P(z) orbital.
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- Write the significance of four quantum numbers.
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- State arid explain Hunds Rule of maximum multiplicity.
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- Write any four postulates of kinetic theory of gases
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- Enthalpy of combustion of benzene is -3267 kJ mol^(-1). Calculate enth...
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- State Hess's law of constant heat summation.
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- What is an exothermic reaction ? Give an example.
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- Prove that pH+pOH=pK(w) at 298 K.
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- Calculate the pH of 0.01 MH2SO4 by assuming complete ionisation.
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- Define buffer action.
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- What is common ion effect? Give an example.
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- Dsicuss amphoteric nature of water with an example.
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- Mention the conjugate acid of SO(4)^(2-)
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- With neat labelled diagram,describe the estimation of nitrogen by Duma...
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- Give two differences between inductive effect and electromeric effect.
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