UNITED BOOK HOUSE-KALIDHAN INSTITUTION QUESTION PAPER-EXERCISE
- Write the electronic configuration of oxygen molecule.
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- The percentage of carbon and hydrogen in an organic compound are 92.5 ...
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- An electron has a velocity of 300 ms^(-1) that is accurate to .001%. W...
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- The- mass of a proton and an electron are 1.67 xx 10^(-24) g and 9.11 ...
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- Define ionisation potential. State its change down a group.
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- Give one example of intramolecular hydroen bond. Explain why - KHF2 e...
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- Calculate the ratio of the values of average velocity, root mean squar...
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- Why does real gas deviate from ideal gas behaviour? Under what conditi...
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- Balance the equation by oxidation number method. K2Cr2O7 +FeSO4 + H2SO...
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- Explain why : Lithium is metal but it produces covalent compound.
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- Explain why :Why is KO2 paramagnetic in nature.
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- The DeltaH(fusion)^@ and Delta S(fusion)^@ of CCI4 are 2.5 KJ mol^(-1)...
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- 56 gm of N2 gas is expanded isothermally and reversibly from 2 litres ...
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- Determine the hybridisation of nitrogen in NO3 - ion. Why is carbon di...
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- What is mole? Establish the relation between amu and gm.
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- Show the number of unpaired electron in Co^(+3) ion. Is it paramagneti...
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- Name the element having atomic number 109 by IUPAC system, What is dia...
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- Explain the formation of BH4^-, from BH3.
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- A mixture of 4 gm of hydrogen and 16 gm of oxygen has a total pressure...
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- Calculate the * hybridisation of indicated atoms in bleaching power, ...
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