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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Arrange the following in the order of property indicated against set ...
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- Account for the following: PCl5 is more covalent than PCl3 .
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- Account for the following: Iron on reaction with HCl forms FeCl2 and n...
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- What is the oxidation number of central atom [Pt Cl2 (C5H5N) (NH3)]
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- Bi (V) is a stronger oxidising agent than Sb (V). Why ?
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- N-N single bond is weaker than P-P single bond.
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- Noble gases have low boiling points. Explain.
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- Draw the molecular structure of the following : XeF4
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- Draw the structures of the following compound : N2O5
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- Write the structural difference between white P and red P.
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- Explain: Electron gain enthalpy of chlorine is more negative than fluo...
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- How H(3)PO(3) is diprotic acid?
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- Give two methods of preparation of dioxygen in laboratory and give its...
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- What happens when PCl5 is heated?
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- Complete the reaction: 4Al + 3O2 rarr
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- Why is H2S less acidic than H2 Te ?
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- How is nitric acid manufactured by Ostwald process?
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- Why sulphuric acid is oily and viscous liquid ?
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- Molecular nitrogen is chemically very inert. Explain why?
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- Write short notes on various allotropes of phosphorus.
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