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ASSAM ACADEMIC CENTRE-The d and f-block elements-Example
- A blackish brown coloured solid 'A' when fused with alkali metal hydro...
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- What happens when an acidic solution of the green compound 'B' is allo...
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- Give reasons for the following. Among the lanthanoid, Ce (III) is easi...
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- Give reasons for the following. Fe^(3+)//Fe^(2+) redox couple has less...
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- Copper (I) and d^(10) configuration, while copper (II) has d^9 configu...
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- Explain: The lowest oxidation state of manganese is basic while highes...
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- Mn (II) shows maximum paramagnetic character amongst the divalent ions...
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- Give reason: among transition metals, the highest oxidation state is e...
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- Give reason: Ce(4+) is used as an oxidising agent in volumetric analys...
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- Give reason: Zn^(2+) salts are white while Cu^(2+) salts are blue.
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- Silver atom has completely filled d-orbital (4d^10) in its ground stat...
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- In the series Sc(Z = 21) to Zn (Z =30), the enthalpy of atomization of...
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- Which of the first row transition metal exhibit +7 oxidation state?
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- The E(M^(2+)//M)^(Theta) for copper positive (+0.34V)It is only metal ...
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- How would you account for irregular variation of 1st and 2nd ionisatio...
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- Why is the highest oxidation state of a metal exhibited in its oxide o...
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- Which is a stronger reducing agents Cr^(2+) or Fe^(2+) and why?
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- Calculate the 'spin only' magnetic moment of M^(2+)(aq) ion (Z = 27).
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- Actinoid contraction is greater from element to element than lanthanoi...
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- Write down the electronic configuration of Cr^(3+)
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