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प्रश्न
Ethane, with the molecular formula C2H6 has ______.
पर्याय
6 covalent bonds.
7 covalent bonds.
8 covalent bonds.
9 covalent bonds.
उत्तर
Ethane, with the molecular formula C2H6 has 7 covalent bonds.
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संबंधित प्रश्न
Why covalent compounds are different from ionic compounds?
State the reason to explain why covalent compounds "are bad conductors of electricity".
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
What type of bonds are present in Cl2 molecule? Draw their electron-dot structures.
Fill in the blank in the following sentence:
Two atoms of the same element combine to form a molecule. The bond between them is known as ................ bond.
What is the atomic number of carbon. Write its electronic configuration.
What is buckminsterfullerene?
will CCl4 conduct electricity or not?
give reason for your choice.
Name one covalent compound containing chlorine.
Which inert gas does the Cl atom in HCl resemble in electron arrangement?
Buckminsterfullerene is an allotropic form of the element:
(a) phoshorus
(b) fluorine
(c) carbon
(d) sulphur
Out of KCl, HCl, CCl4 and NaCl, the compounds which are not ionic are:
(a) KCl and HCl
(b) HCl and CCl4
(c) CCl4 and NaCl
(d) KCl and CCl4
Which of the following has a triple bond as well as single bonds?
(a) ethene
(b) methane
(c) ethyne
(d) nitrogen
Two non-metals combine with each other by the sharing of electrons to form a compound X.
(a) What type of chemical bond is present in X?
(b) State whether X will have a high melting point or low melting point.
(c) Will it be a good conductor of electricity or not?
(d) Will it dissolve in an organic solvent or not?
Which of the following cannot exhibit isomerism?
(a) C4H10
(b) C5H12
(c) C3H8
(d) C6H14
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety
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(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.
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Explain the following:
polar covalent compounds electricity.
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol
Explain the Structural isomerism term with example.
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(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 :
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Explain the following:
Polar covalent compounds conduct electricity?
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Write the molecular formula of the given compound.
Acetic acid
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Write the names of the hydrocarbons for the following structural formula.
(isobutylene, cyclohexane, propene, cyclohexene, cyclopentane, benzene, propyne, isobutane, propane)
| \[\begin{array}{cc} \phantom{.........}\ce{H}\\ \phantom{.........}|\\ \ce{H - C ≡ C - C - H}\\ \phantom{.........}|\\ \phantom{.........}\ce{H} \end{array}\] |
Considering MgCl2 as ionic compound and CH4 as covalent compound give any two differences between these two compounds.
Discuss in brief about the properties of coordinate covalent compounds.
The correct structural formula of butanoic acid is -
Which of the following is the formula of Butanoic acid?
Two carbon atoms can always form one or two covalent bonds.
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The table shows the electronic structures of four elements.
| Element | Electronic Structure |
| P | 2, 6 |
| Q | 2, 8, 1 |
| R | 2, 8, 7 |
| S | 2, 8, 8 |
- Identify which element(s) will form covalent bonds with carbon.
- “Carbon reacts with an element in the above table to form several compounds.” Give suitable reason.
______ is an example of a covalent compound having a high melting point.
Show the covalent bond formation in nitrogen molecule.
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
