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प्रश्न
Fill in the blank in the following sentence:
The number of single covalent bonds in C2H2 molecule are ...........
उत्तर
The number of single covalent bonds in a C2H2 molecule is two.
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संबंधित 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.)
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
How does graphite act as a lubricant?
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
Fill in the following blank with suitable word:
The general formula CnH2n for cycloalkanes is the same as that of ...........
Give one example, state what are covalent compounds?
Draw the electron-dot structure of a hydrogen chloride molecule.
Explain the following term with example.
Hetero atom in a carbon compound
Explain the following term with example.
Unsaturated hydrocarbon
Write answer as directed.
Saturated hydrocarbons are classified into three types. Write these names giving one example each.
Give examples for the following:
Two solid covalent 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
In the liquid state, X will
The molecule which contains a triple covalent bond is ______.
State the type of bonding in the following molecule.
Water
Draw an electron dot diagram to show the formation of the following compound.
Methane
Name two carbon compounds used in day-to-day life.
Write the molecular formula of the given compound.
Propylene
Your body is made up of carbon.
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
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.
