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Uttam mazumder
Aug 28, 2013
1. Give reasons:
i) Mgcl2 is soluble in water but insoluble in acetone,while methene is insoluble but soluble in acetone.
ii) Iron displaces copper from a solution of a copper salt. the reaction is deemed as a redox reaction.
i) Mgcl2 is soluble in water but insoluble in acetone,while methene is insoluble but soluble in acetone.
ii) Iron displaces copper from a solution of a copper salt. the reaction is deemed as a redox reaction.
i). Polar molecules dissolves ...
Madhurima Majumdar
Oct 8, 2014
why are ionic compounds brittle. it is mentioned that they are strongly attached to each other and are hard solids yet it is also written in our book that they are brittle in nature. Can i have a solution to my confusion?
Biswadeb Dasgupta
May 1, 2015
What does '1s2, 2s2 2p2' means?
Uttam mazumder
Jun 24, 2014
Given below shows the bonding structure of sulphuric acid.Explain even having coordinate bond between oxygen and sulphur atom, there is no net negative charge in the compound?
Ambati
May 7, 2014
State the types of bonds present in NH4Cl molecule?
NH
Keerthy Krishna
Sep 3, 2013
why sodium chloride dissolve in water and carbontetrachloride cannot?
Ans: Polar molecules dissolve in polar substances but not in non polar substances and non polar molecules dissolve in non polar substances but not ...
Uttam mazumder
Aug 28, 2013
1.Name a covalent compound which becomes an ionic compound when dissolved in water.
2. Name a compound composed of all the three kinds of bonds.
2. Name a compound composed of all the three kinds of bonds.
2. Example for the compound that c...
Uttam mazumder
Aug 19, 2013
1. Iron has valencies 2 & 3,when iron reacts directly with chlorin what is the valency of iron in the resulting compound?Write the equation for the same.
2.Name a non-metallic element which reacts with chlorine to give two compounds.Under normal conditions one of these compounds is a liquid and other is a solid.Name the two compounds.
2.Name a non-metallic element which reacts with chlorine to give two compounds.Under normal conditions one of these compounds is a liquid and other is a solid.Name the two compounds.
Ujjwal
Aug 10, 2013
Why HF is gas and HCL is liquid while both are covalant bond ?
Hyzen Jessiya
Mar 23, 2014
Why sodium ion is stable and how?
Uttam mazumder
Aug 28, 2013
1. Give reasons:
i) Mgcl2 is soluble in water but insoluble in acetone,while methene is insoluble but soluble in acetone.
ii) Iron displaces copper from a solution of a copper salt. the reaction is deemed as a redox reaction.
i) Mgcl2 is soluble in water but insoluble in acetone,while methene is insoluble but soluble in acetone.
ii) Iron displaces copper from a solution of a copper salt. the reaction is deemed as a redox reaction.
i). Polar molecules dissolves ...
Madhurima Majumdar
Oct 8, 2014
why are ionic compounds brittle. it is mentioned that they are strongly attached to each other and are hard solids yet it is also written in our book that they are brittle in nature. Can i have a solution to my confusion?
Biswadeb Dasgupta
May 1, 2015
What does '1s2, 2s2 2p2' means?
Uttam mazumder
Jun 24, 2014
Given below shows the bonding structure of sulphuric acid.Explain even having coordinate bond between oxygen and sulphur atom, there is no net negative charge in the compound?
Ambati
May 7, 2014
State the types of bonds present in NH4Cl molecule?
NH
Keerthy Krishna
Sep 3, 2013
why sodium chloride dissolve in water and carbontetrachloride cannot?
Ans: Polar molecules dissolve in polar substances but not in non polar substances and non polar molecules dissolve in non polar substances but not ...
Uttam mazumder
Aug 28, 2013
1.Name a covalent compound which becomes an ionic compound when dissolved in water.
2. Name a compound composed of all the three kinds of bonds.
2. Name a compound composed of all the three kinds of bonds.
2. Example for the compound that c...
Uttam mazumder
Aug 19, 2013
1. Iron has valencies 2 & 3,when iron reacts directly with chlorin what is the valency of iron in the resulting compound?Write the equation for the same.
2.Name a non-metallic element which reacts with chlorine to give two compounds.Under normal conditions one of these compounds is a liquid and other is a solid.Name the two compounds.
2.Name a non-metallic element which reacts with chlorine to give two compounds.Under normal conditions one of these compounds is a liquid and other is a solid.Name the two compounds.
Ujjwal
Aug 10, 2013
Why HF is gas and HCL is liquid while both are covalant bond ?
Hyzen Jessiya
Mar 23, 2014