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प्रश्न
Give one example of a molecule containing a single covalent bond.
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उत्तर
A molecule containing a single covalent bond: hydrogen molecule (H − H)
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संबंधित प्रश्न
State whether the following statement is true or false:
Diamond and graphite are the covalent compounds of carbon element (C)
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
What type of bonds are present in Cl2 molecule? Draw their electron-dot structures.
Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is:
(a) 2
(b) 5
(c) 3
(d) 4
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Gaseous non polar compounds
Explain the following briefly.
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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)
Draw the electron dot diagram and structure of methane.
Explain the following:
Water is a polar covalent molecule.
What is the difference between :
Ionic compounds and covalent compounds
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
What are Allotropes? Name any two allotropic forms of carbon. Give one use of it.
Name two carbon compounds used in day-to-day life.
Write an Explanation.
Alkene
Which of the following compounds of carbon does not consist of ions?
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
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- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
