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प्रश्न
Fill in the blank from the choice given in bracket.
The compound that does not have a lone pair of electrons is ___________. (Water, Ammonia, carbon tetrachloride)
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उत्तर
The compound that does not have a lone pair of electrons is Carbon Tetrachloride.
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संबंधित प्रश्न
Give two general properties of ionic compounds and two those of covalent compounds.
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?
Methane molecule is non-polar molecule. Explain.
Give two example in following case:
Gaseous polar compounds
Which element exhibits the property of catenation to maximum extent and why?
Explain the following briefly.
Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
What is the difference between a polar covalent compound and a non-polar covalent compound?
Name a greenish-yellow gas which also bleaches.
Give an example for each of the following statement.
Formation of coordinate covalent bond between NH3 ➝ BF3 molecules
The electron dot structure of chlorine molecule is:
