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प्रश्न
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.
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उत्तर
- P and R
- Carbon has a valency four or Tetravalency & Catenation.
APPEARS IN
संबंधित प्रश्न
State the reason why carbon can neither form C4+ cations nor C4− anions but forms covalent compounds.
State the reason to explain why covalent compounds "are bad conductors of electricity".
Choose the most appropriate answer from the following list of oxides which fit the description.
A covalent oxide of a metalloid.
What type of bonds are present in methane (CH4) and sodium chloride (NaCl)?
What is a covalent bond?
What is buckminsterfullerene?
Draw an electron dot structure of the following molecule. (Without showing the circle) :
Methanol
Explain the following:
Polar covalent compounds are good conductors of electricity.
State the type of bonding in the following molecule.
Water
Answer the following question.
What is methane? Draw its electron dot structure. Name the type of bonds formed in this compound. Why are such compounds:
(i) poor conductors of electricity? and
(ii) have low melting and boiling points? What happens when this compound burns in oxygen?
