Advertisements
Advertisements
प्रश्न
What type of bond is present in oxygen molecule?
Advertisements
उत्तर
Covalent bond is the chemical bond present in an oxygen molecule.
APPEARS IN
संबंधित प्रश्न
State the reason why carbon can neither form C4+ cations nor C4− anions but forms covalent compounds.
Name the element whose one of the allotropic forms is buckminsterfullerene.
Fill in the blanks in the following sentence:
In forming oxygen molecule, .............. electrons are shared by each atom of oxygen.
State one test by which sodium chloride can be distinguished from sugar.
Explain why, diamond has a high melting point.
State any two uses of diamond.
Describe the structure of graphite with the help of a labelled diagram.
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
A saturated hydrocarbon has fifty hydrogen atom in its molecule. The number of carbon atoms in its molecule will be
(a) twenty five
(b) twenty four
(c) twenty six
(d) twenty seven
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is:
(a) 2
(b) 5
(c) 3
(d) 4
Give the formulae of the chlorides of the elements X and Y having atomic numbers of 3 and 6 respectively. Will the properties of the two chlorides be similar or different? Explain your answer.
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.
Give examples for the following:
Two gaseous non polar compounds.
Draw the electron dot diagram and structure of magnesium chloride.
State the type of bond formed when the combining atom has small E.N. difference.
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Name a greenish-yellow gas which also bleaches.
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
Explain dipole (polar) molecule by taking hydrogen chloride as an example.
