Advertisements
Advertisements
प्रश्न
Name a carbon containing molecule which has two double bonds.
Advertisements
उत्तर
Carbon dioxide is a carbon containing molecule which has two double bonds. It is represented as O=C=O.
APPEARS IN
संबंधित प्रश्न
Write structural formula of Methane.
Name the element whose one of the allotropic forms is buckminsterfullerene.
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
What type of bonds are present in H2 molecule? Draw their electron-dot structures.
What is buckminsterfullerene?
How will you find out which of the water soluble compound A or B is ionic?
Explain why, graphite can be used as a lubricant but diamond cannot.
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
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was:
(a) glucose
(b) urea
(c) uric acid
(d) vinegar
An element E exists in three allotropic forms A, B and C. In allotrope A, the atoms of element E are joined to form spherical molecules. In allotrope B, each atom of element E is surrounded by three other E atoms to form a sheet like structure. In allotrope C, each atom of element E is surrounded by four other E atoms to form a rigid structure.
(a) Name the element E.
(b) What is allotrope A.
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?
Methane molecule is non-polar molecule. Explain.
Match the pairs.
| Group 'A' | Group 'B' |
| a. C2H6 | 1. Unsaturated hydrocarbon |
| b. C2H2 | 2. Molecular formula of an alcohol |
| c. CH4O | 3. Saturated hydrocarbon |
| d. C3H6 | 4. Triple bond |
Molecular formula of Propane is C3H8 , write the structural formula of propane.
What is the term defined below?
A bond formed by a shared pair of electrons, each bonding atom contributing one electron to the pair.
What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
Explain the following:
Water is a polar covalent molecule.
What is the difference between :
Ionic compounds and covalent compounds
Fill in the blank and rewrite the completed statement:
Covalent compounds are generally soluble in _________ solvents.
Write scientific reason.
Carbon has the property of forming many compounds.
