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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
- Nitric acid is prepared by heatingand.
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- HNH bond angle in NH3 is.
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- HMH bond angles in MH3 molecules of group 15down the group.
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- In general, two types of oxy-acids formed by elements of nitrogen fami...
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- Nitrogen cannot form NCl5 due to.
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- Bismuth cannot form stable BiCl5, due to.
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- Pentoxides of all the elements of nitrogen family are acidic than th...
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- In the synthesis of NH3 by Haber's process, catalyst is and promoter i...
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- is used as catalyst by Ostwald process for manufacture of nitric acid.
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- is used as cataylst in the manufacture of H2SO4 acid by contact proces...
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- What happens when SO2 gas is passed through H2 S dissolved in water ?
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- SO2+ 2H2S rarr + 2S
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- Oxygen and Ozone areof each other.
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- HI is mostin nature among halogen acids.
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- halogen is solid at room temperature.
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- 4NaOH(conc) + 2F2 rarr 4NaF + 2H2O +
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- In aquaregiais responsible for dissolving gold and platinum.
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- has highest oxidising power in halogen family.
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- has highest electron affinity in halogen family.
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- F2 + H2O + KClO3 rarr + KClO4
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