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MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
- Why is the third ionization enthalpy of manganese (At. no.=25) unexpec...
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- How would you account for the following ? Cr^(2+) is stronger reducing...
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- Express 1382 in roman numbers.
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- Complete the following chemical equation : Cr2O7^(2-) (aq)+ Fe^(2+) (a...
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- Explain the following observation : La^(3+) (Z =57) and Lu^(3+) (Z = 7...
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- Explain the following observation : Among the divalent cations in the ...
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- Explain the following observation : Cu^+ ion is not known in aqueous s...
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- Fill in the blanks- is the vitamin which is the component of rhodopsi...
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- Give reason for the following : E(M^(2+)|M)^(@)values are not regular ...
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- Give reason for the following : Although ‘F’ is more electronegative t...
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- Complete the following chemical equation : 2CrO4^(2-) + 2H^(+) rarr
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- Complete the following chemical equation : KMnO4 overset (513K) rarr
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- Why do transition elements show variable oxidation states ? Name the e...
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- Write the name of metal which shows only +3 oxidation state.
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- What is lanthanoid contraction ? Name an important alloy which contain...
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- Complete the following equation : Cr2O7^(2-)+2OH^(-) rarr
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- Complete the following equation : MnO4^(-)+ 4H^(+)+ 3e^(-) rarr
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- Account for the following : Zn is not considered as a transition elem...
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- Transition metals formlarge number of complex compounds.Explain.
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- Account for the following : The E^@ value for the Mn^(3+)|Mn^(2+) coup...
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