Please select a subject first
Advertisements
Advertisements
The solution of one of the following compounds will not conduct electricity. This compound is:
Concept: undefined >> undefined
Buckminsterfullerene is an allotropic form of the element:
Concept: undefined >> undefined
Advertisements
Out of KCl, HCl, CCl4 and NaCl, the compounds which are not ionic are:
Concept: undefined >> undefined
The number of covalent bonds in pentane (molecular formula C5H12) is ______.
Concept: undefined >> undefined
One of the following compounds is not ionic in nature. This compound is:
Concept: undefined >> undefined
A covalent molecule having a double bond between its atoms is ______.
Concept: undefined >> undefined
The molecules having triple bond in them are ______.
Concept: undefined >> undefined
One of the following contains a double bond as well as single bonds. This is:
Concept: undefined >> undefined
Which of the following has a triple bond as well as single bonds?
Concept: undefined >> undefined
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was ______.
Concept: undefined >> undefined
One of the following is not an allotrope of carbon. This is:
Concept: undefined >> undefined
Two non-metals combine with each other by the sharing of electrons to form a compound X.
- What type of chemical bond is present in X?
- State whether X will have a high melting point or low melting point.
- Will it be a good conductor of electricity or not?
- Will it dissolve in an organic solvent or not?
Concept: undefined >> undefined
A saturated hydrocarbon has fifty hydrogen atoms in its moleucle. The number of carbon atoms in its molecule will be ______.
Concept: undefined >> undefined
A hydrocarbon having one double bond has 100 carbon atoms in its molecule. The number of hydrogen atoms in its molecule will be ______.
Concept: undefined >> undefined
The electronic configurations of three elements X, Y and Z are as follows:
| X | 2, 4 |
| Y | 2, 7 |
| Z | 2, 1 |
- Which two elements will combine to form an ionic compound?
- Which two elements will react to form a covalent compound?
Give reasons for your choice.
Concept: undefined >> undefined
Which of the following cannot exhibit isomerism?
Concept: undefined >> undefined
The pencil leads are made of mainly ______.
Concept: undefined >> undefined
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is ______.
Concept: undefined >> undefined
An element A has 4 valence electrons in its atom whereas element B has only one valence electron in its atom. The compound formed by A and B does not conduct electricity. What is the nature of chemical bond in the compound formed? Give its electron-dot structure.
Concept: undefined >> undefined
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is ______.
Concept: undefined >> undefined
