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प्रश्न
Give one example of a molecule containing a triple covalent bond.
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उत्तर
A molecule containing a triple covalent bond: nitrogen molecule 
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संबंधित प्रश्न
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene?
Buckminsterfullerene is spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene?
Give one example of a molecule containing a single covalent bond.
Explain why, ionic compounds conduct electricity in solution whereas covalent compounds do not conduct electricity.
Describe the structure of graphite with the help of a labelled diagram.
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
Why are covalent compounds generally poor conductors of electricity?
One of the following contains a double bond as well as single bonds. This is:
(a) CO2
(b) O2
(c) C2H4
(d) C2H2
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?
What is the difference between ionic compounds and polar covalent compounds?
What do you understand by polar covalent compounds?
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
Write answer as directed.
What causes the existance of very large number of carbon compound ?
An element L consists of molecules.
Why L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
Explain the following:
Water is a polar covalent molecule.
Generally, the melting and boiling point of carbon compounds are found to be less than _______ °C.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of ______.
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
What is a covalent bond?
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
