USHA PUBLICATION-D- AND F_BLOCK ELEMENT & CO-ORDINATION COMPOUND -EXERCISE
- Brass is an alloy of and Zinc.
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- Azurite is the ore of .
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- Copper metal obtained from Bessemer converter is known as .
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- Write the ionic equation showing the oxidising action of K2Cr2O7 with ...
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- Annealing is a process in which
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- All transition metals are d-block element but all d-block elements are...
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- What are the ambidentate ligands ? Give examples.
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- What is difference between calcination and roasting ?
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- Find EAN of Fe in K4[Fe(CN)6]
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- When steam is passed over red hot iron, the products formed are
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- What is the effect of Increasing pH on a solution of potassium dichrom...
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- What is Goldschmidt aluminothermic process ?
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- What happens when copper turnings are heated with conc. H2SO4 ?
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- What is lanthanide contraction? Write any two of its consequences.
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- On the basis of effective atomic number rule explain the hybridisation...
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- Suggest Chemical test to show that [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl...
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- What is ligand?
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- Explain why transition metal ions are usually coloured.
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- Write three main postulates of VBT for explaining bonding in co-ordina...
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- What is leaching ? Glve an example.
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