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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
- Why is Helium used in diving apparatus?
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- Complete the following equation: XeF6 + H2O rarr.
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- Why does Nitrogen show catenation properties less than phosphorus?
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- Write the disproportionation reaction of H3PO3.
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- Why fluorine formes only one oxacid HOF?
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- Write two uses of ClO2.
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- Arrange the following in the order of property indicated within bracke...
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- Arrange the following in increasing order if acid strength: HCl, HI, H...
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- rrange the following in the order of property indicated within bracket...
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- Mention two uses of Neon.
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- Answer the following: Which reaction was used by Bartlett to prepare t...
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- Which halogen has the highest electron gain enthalpy and which halogen...
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- Which of the following is more covalent SbCl5 or SbCl3?
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- Sulphur is a solid while oxygen is a gas at room temperature why?
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- Why acidic character of HCIO4 higher than HCIO3?
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- Answer the following: KHF2 is known but KHCl2 is not known. Give reaso...
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- Write the chemical reaction to show that concentrated H2SO4 is an oxid...
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- Write one chemical reaction to show that conc. H2SO4 is a dehydrating ...
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- In which one of the two structures NO2^(+) and NO2^(-) the bond angle ...
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- Why ammonia is a stronger base than phosphine?
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