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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Express 1885 in roman numbers.
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- What is the oxidation number of central atom K2[Pd Cl4]
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- Express 1886 in roman numbers.
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- Why are the elements of Group 18 known as noble gases ?
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- Why does ammonia act as a Lewis base ?
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- Bond angle in NH4^+ is more than that in NH3.
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- Arrange the following in the order of property indicated against set ...
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- 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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