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प्रश्न
What type of bond is present in oxygen?
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उत्तर
A covalent bond is the chemical bond present in an oxygen molecule.
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संबंधित प्रश्न
Write the number of covalent bonds in the molecule of butane, C4H10.
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?
Give one example of the following:
A molecule containing a double covalent bond.
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
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A solid element X has four electrons in the outermost shell of its atom. An allotrope Y of this element is used as a dry lubricant in machinery and also in making pencil leads.
(a) What is element X?
(b) Name the allotrope Y.
(c) State whether allotrope Y is a good conductor or non-conductor of electricity.
(d) Name one use of allotrope Y (other than lubrication and pencil leads)
(e) Name two other allotropes of element X.
State the type of bonding in the following molecule.
Hydroxyl ion
State the type of bonding in the following molecule.
Methane
State the type of bonding in the following molecule.
Ammonium ion
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
Give two example in following case:
Gaseous non polar compounds
Write answer as directed.
Saturated hydrocarbons are classified into three types. Write these names giving one example each.
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Give reason as to why hydrogen chloride can be termed as a polar covalent compound.
Which of the following is a common characteristic of a covalent compound?
Define a covalent bond.
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
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
Assertion (A): Melting point and boiling point of ethanol are lower than that of sodium chloride.
Reason (R): The forces of attraction between the molecules of ionic compounds are very strong.
Non-polar covalent compounds are ______ conductors of heat and electricity.
