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प्रश्न
Give examples for the following:
Two gaseous polar compounds.
उत्तर
SO2, H2S
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संबंधित प्रश्न
How does graphite act as a lubricant?
Give one example of a molecule containing a triple covalent bond.
What type of chemical bond is present in chlorine molecule? Explain your answer.
How buckminsterfullerene is it related to diamond and graphite?
An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.
(a) Name the element E.
(b) What is allotrope A.
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
Explain the following briefly:
Sodium chloride dissolves in water but carbon tetra chloride is insoluble in water.
Explain the following:
Covalent compounds are generally gases or liquids or soft solids.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Define a covalent bond.
