Advertisements
Advertisements
प्रश्न
What would be the electron dot structure of carbon dioxide which has the formula CO2?
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
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
Choose the most appropriate answer from the following list of oxides which fit the description.
A covalent oxide of a metalloid.
Name the black substance of pencil. Will the current flow through the electrical circuit when we use the sharpened ends of the pencil to complete the circuit?
What type of chemical bond is formed between carbon and bromine?
Fill in the blank in the following sentence:
Two chlorine atoms combine to form a molecule. The bond between them is known as ..........
Compare the properties of ionic compounds and covalent compounds.
Draw the electron-dot structure of HCl compound and state the type of bonding.
Explain why, diamond has a high melting point.
The atomic numbers of four elements P, Q, R and S are 6, 10, 12 and 17 respectively. Which two elements can combine to form a covalent compound?
(a) P and R
(b) Q and S
(c) P and S
(d) R and S
One of the following is not an allotrope of carbon. This is:
(a) diamond
(b) graphite
(c) cumene
(d) buckministerfullerene
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
Draw all possible structural formulae of compound from their molecular formula given below.
C3H8
Give examples for the following:
Two liquid non polar compounds.
Explain the structure of Hydronium ion.
Explain the following:
Non-polar covalent compounds are insoluble in water.
What is the difference between a polar covalent compound and a non-polar covalent compound?
Potassium chloride is an electrovalent compound, while hydrogen chloride is a covalent compound, But, both conduct electricity in their aqueous solutions. Explain.
Fill in the blank and rewrite the completed statement:
Covalent compounds are generally soluble in _________ solvents.
Give an example for each of the following statement.
Formation of coordinate covalent bond between NH3 ➝ BF3 molecules
It is observed that covalent compounds are had conductors of electricity. Give reason.
