571.Assign reason for each of the following: Noble gases are mostly chemically inert.
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572.Assign reason for the following: Bismuth is a strong oxidizing agent in a pentavalent state.
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573.NO is paramagnetic in the gaseous state but diamagnetic in the solid and liquid states. Justify?
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574.(CH3)3 N is basic but (CF3)3 N is not basic. Explain.
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575.Why the melting and boiling points of halogens increases in going from top to the bottom of the group?
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576.Give appropriate reason for the following observation: Only higher members of Group 18 of the periodic table are expected to form compounds.
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577.Give appropriate reason for the following observation: Fluorine is a stronger oxidising agent than chlorine, though fluorine has lower electron affinity than chlorine.
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578.Give appropriate reason for the following observation: NO2 readily forms a dimer, whereas ClO2 does not.
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579.
Account for the following: Chlorine water has both oxidizing and bleaching properties.
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580.
Account for the following: H3PO2 and H3PO3 acts as good reducing agents while H3PO4 does not.
Short Answer Type
