Pnictogen Family of Periodic Table/ The Nitrogen Family
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| Which two elements of group 5-A shows non metallic character | Nitrogen & Phosphorus
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| As (Arsenic) & Sb (Antimony) are | Metalloids
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| Which element of Pnictogen Family shows definite metallic properties | Bismuth (Bi)
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| Down the group the bonding character shifts from ? | Covalent ---------( bonding character)---------Ionic
from covalent to Ionic due to increase in metallic character
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| How many elements of Nitrogen family have allotropes? | 3 - Phosphorus, Antimony & Arsenic
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| How many allotropes of P are there | Phosphorus have 6 allotropes
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| What are the common valencies of group 5-A elements | Three & Five
Example: Phosphorus can make 3 or 5 covalent bonds
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| The compounds of Nitrogen not commonly found as Minerals | Inorganic Compounds
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| Atomic number of (Antimony) Sb is | 51
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| Dinitrogen pentoxide is also called | Nitrogen Anhydride
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| Temp provided in Briklend & Eyde's process for formation of nitric oxide NO is | 3000° C
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| Nitric Acid can be prepared by dissolving N²O³ in H²O at Temp? | 0° C
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| N²O is also called | Laughing Gas
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| Aqua Regia is formed by mixing of | 1 mole of HNO³ + 3 mole of HCL
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| Which factor in aqua regia dissolves noble metals like gold & Platinum | Nascent Chlorine [Cl] in gaseous form
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| Cu & Pb when reacted with dilute acid gives | Nitric Oxide (NO)
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| NO² (nitrogen dioxide) is formed when Cu & Pb reacts with | Concentrated Acid
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| Give equation of chlorine dissolving Gold (Au) | Au + 3[Cl] → AuCl³
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