UNITED BOOK HOUSE-2014 QUESTION PAPER-EXERCISE
- Calculate the percentage composition of the compound having the molecu...
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- PbCl4 is less stable than SnCl4 while PbCl2 is more stable than SnCl2....
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- B- F bond is polar but BF3 does not have a dipole moment — why?
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- What type of fission of a covalent bond produce free radicals? Give an...
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- Draw the structure of the following compound :3, 4 - dimethylpentanoic...
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- Write one effect of depletion of ozone layer and one measure for the p...
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- State the Heisenberg uncertainty principle. Calculate the de Broglie w...
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- When hydrogen, combines with oxygen, a polar covalent product is forme...
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- What types of bonds are present in KHF2?
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- Why H2 is a stable molecule but He2 is not?
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- Write canonicals of ClO4^-
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- A gas of molar mass 84.5 g//mol is enclosed in a flask at 27^@C has a ...
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- Calculate the enthalpy of formation of liquid,ethyl alcohol from' the ...
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- For a gaseous reaction in a closed container establish the thermodynam...
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- Balance the equation in ion electronic method,K2Cr2O7 + FeSO4 + H2SO4 ...
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- Balance the following reaction by oxidation number method : 12+HNO3rar...
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- Hydrogen can be placed in Group 17 instead of Group 1 of periodic tabi...
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- What is heavy water? Why is it so called?
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- The halides of alkali metals are soluble in water except for LiF. Why?
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- What is diagonal relationship? Give one example.
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