Group 15 elements
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Phosphoproteins
________ are present in milk and eggs.
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Phosphorus
________ occurs in minerals of the apatite family, which are the main components of phosphate rocks.
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Nitrogen
________ is also present in the earths crust in the form nitrates.
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Oxide
________ (X2O3) of nitrogen and phosphorus are acidic, Arsenic and Antimony are metalloids,
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oxidation state
The stability of +5 ________ decreases down the group and that of +3 oxidation state increases down the group.
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NH3
________ is a mild reducing agent whereas BiH3 is a strong reducing agent.
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Phosphorus
________ is an essential constituent of animal and plant matter.
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Nitrogen
________ exists as a diatomic molecule with triple bond whereas P, As, Sb, Bi only form single bonds with themselves.
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Nitrogen
________ is the most abundant element in the atmosphere.
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Nitrogen
________ shows +1, +2, +4 and Phosphorus shows +1, +4.
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Nitrogen
________ has the ability to form pπ- pπ bonds with itself and other elements like Carbon, Oxygen.
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Nitrogen
________ has a maximum covalency of 4.
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Stability order
NH3> PH3> AsH3> SbH3> BiH3
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Basicity
NH3 > PH3 > AsH3 > SbH3 > BiH3
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