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प्रश्न
Friedrich Wohler converted an inorganic compound into an organic compound in the laboratory.
Write the name and formula of organic compound formed.
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उत्तर
The name of the organic compound formed is urea, and its formula is CO(NH2)2.
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संबंधित प्रश्न
What are covalent compounds?
Why are most carbon compounds poor conductors of electricity?
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 CH4 molecule? Draw their electron-dot structures.
Why is graphite a good conductor of electricity but diamond is a non-conductor of electricity?
What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
Draw an electron dot diagram for the formation of the following. State the type of bonding present in them.
Hydroxyl ion
The following structural formula belongs to which carbon compound?
Molecular formula of Propane is C3H8 , write the structural formula of propane.
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What type of bond is formed between Y and Z.
Acids dissolve in water and produce positively charged ions. Draw the structure of these positive ions.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
Write the molecular formula of the given compound.
Propylene
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
A molecule of ammonia (NH3) has
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.
Carbon can neither form C4- cation nor C4 anion. Why?
