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प्रश्न
What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur? (Hint – the eight atoms of sulphur are joined together in the form of a ring.)
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उत्तर
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संबंधित प्रश्न
State the type of bonding in the following molecule.
Water
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
State one test by which sodium chloride can be distinguished from sugar.
Describe the structure of diamond. Draw a simple diagram to show the arrangement of carbon atoms in diamond.
Explain why, diamond has a high melting point.
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
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.
What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
Methane molecule is non-polar molecule. Explain.
State the type of bonding in the following molecule.
Methane
Give examples for the following:
Two liquid non polar compounds.
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
X is likely to have a :
State the type of bonding in the following molecule.
Water
What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
What do you understand by dipole (polar) molecule?
Define a covalent bond.
Define the functional group and complete the following table.
| S.I. No. | Functional Group | Compound | Formula |
| (1) | ______________ | _______________ |
C2H5OH |
| (2) | _______________ | _______________ | CH3CHO |
Which of the following is the formula of Butanoic acid?
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
In covalent compounds, the bond is formed due to ______ of electrons.
