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BANSAL-PERIODIC TABLE-EXERCISE-3
- Which of the following should be the longest bond ?
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- Use the following system of naming elements in which first alphabets o...
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- Mg^(2+), O^(2-),Na^(+),F^(-),N^(3-) (Arrange in decreasing order of io...
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- Why Ca^(2+) has a smaller ionic radius than K^(+).
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- Arrange in decreasing order of atomic size: Na,Cs, Mg, Si, CI
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- Why the first ionisation energy of carbon atom is greater than that of...
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- The IE do not follow a regular trend in II & III periods with increasi...
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- Explain why a few elements such as Be(+0.6),N(+0.3) & He(+0.6) have po...
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- Which bond in each pair is more polar (a) P-CI or P - Br (b) S -CI o...
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- From among the elements,choose the following: CI,Br, F,Al, C,Li,Cs& Xe...
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- In the ionic ompound KF, the K^(+) and F^(-) ions are found to have pa...
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- Which oxide is more basic, MgO or BaO? Whay?
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- The basic nature of hydroxides of group 13 (III-A) decreases progressi...
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- Based on location in P.T. which of the following would you expect to b...
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- Compare the following giving reasons Acidic nature of oxides: CaO, CO,...
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- The ionisation potentials of atoms A and B are 400 and 300 kcal mol^(-...
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- If internuclear distance between CI atoms in CI(2) is 10Å & between H ...
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- The As-CI bond distance in AsCI(3) is 2.20 Å. Estimate the SBCR (singl...
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- The Pt-CI distance is 2.32 A in several crystaline compounds What is...
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- The IE values of Al((g)) = Al^(+) +e is 577.5 kJ mol^(-) and DeltaH fo...
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- For the gaseous reaction K+F rarrK^(o+)+F^(ɵ) Delta H = 19 kcal mo...
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