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R G PUBLICATION-THE p-BLOCK ELEMENTS-EXERCISE
- Bond angle in PH4^+ is higher than that is PH3.
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- In PCl5 the two axial bonds are longer than equitorial bonds why?
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- Write the formula of epson salt.
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- Thermal stability of H2S is more than that of H2Te. Why?
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- What is amphoteric oxide? Give one example.
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- What is the transition temperature of conver-sion of Alpha- sulpher in...
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- Which form of sulpher shows paramagnetic beheavier?
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- Write one chemical test for SO2 gas.
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- Negative electron gain ethalpy of fluorine atom is less than that of c...
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- Write two uses of ClO2.
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- Explain why HI is the strongest reducing agent among the halogens?
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- Explain the bleaching action of Cl2.
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- What is aqua regia?
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- Why interhalogens are more reactive than halogens?
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- Write the formula of the first noble gas compound.
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- In the solid phase of phosphorus penta chlo-ride the structure of cati...
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- Why fluorine formes only one oxacid HOF?
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- Write the structure of ICl4^-
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- In which one of the two structures NO2^(+) and NO2^(-) the bond angle ...
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- Give one chemical reaction to show that all the bonds in PCI5 molecule...
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