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Why does carbon form compounds mainly by covalent bonding?
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0
|
3636
|
October 20, 2016
|
|
What are homologous series of carbon compounds?
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1
|
14928
|
October 20, 2016
|
|
Write the chemical equation representing the reaction of preparation of ethanol from ethane
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0
|
2491
|
October 20, 2016
|
|
Name the product obtained when ethanol
|
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1
|
4243
|
October 20, 2016
|
|
Give an example for esterification reaction
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0
|
8802
|
October 20, 2016
|
|
Name the compound formed by heating ethanol at 443K with excess of conc. $H_{2}SO_{4}$
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0
|
1914
|
October 20, 2016
|
|
A mixture of oxygen and ethyne is burnt for welding
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1
|
2708
|
October 20, 2016
|
|
Name the product other than water formed on burning of ethanol in air
|
|
0
|
1610
|
October 20, 2016
|
|
Name the carboxylic acid used as a preservative
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0
|
2541
|
October 20, 2016
|
|
Name the simplest hydrocarbon
|
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0
|
894
|
October 20, 2016
|
|
How would you bring about the following conversions ? Name the process and write the reaction involved
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|
1
|
5034
|
September 21, 2016
|
|
Look at figure and answer the following questions:
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1
|
2177
|
September 21, 2016
|
|
A compound C , reacts with Na- metal to form a compound R and evolves a gas
|
|
1
|
4530
|
September 21, 2016
|
|
What are hydrocarbons ? Give examples
|
|
1
|
10298
|
September 21, 2016
|
|
What is the role of metal or reagents written on arrows in the given chemical reactions?
|
|
1
|
4979
|
September 21, 2016
|
|
Unsaturated hydrocarbons contain multiple bonds between the two C-atoms
|
|
1
|
3569
|
September 21, 2016
|
|
Catenation is the ability of an atom to form bonds with other atoms of the same element
|
|
1
|
4384
|
September 21, 2016
|
|
In electron dot structure, the valence shell electrons are represented by crosses or dots
|
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1
|
3967
|
September 21, 2016
|
|
Carbon, Group (14) element in the Periodic Table
|
|
1
|
2570
|
September 21, 2016
|
|
Why is hard water not suitable for washing clothes with soap?
|
|
0
|
6036
|
September 21, 2016
|
|
An organic compound bums with a sooty flame
|
|
1
|
609
|
September 21, 2016
|
|
What are hydrocarbons?
|
|
1
|
731
|
September 21, 2016
|
|
What are soaps chemically?
|
|
1
|
2924
|
September 21, 2016
|
|
Identify the compounds A to E in the following reaction sequence :
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|
1
|
7053
|
September 21, 2016
|
|
How is vinegar made?
|
|
1
|
3362
|
September 21, 2016
|
|
What is a homologous series?
|
|
0
|
1542
|
September 21, 2016
|
|
With the help of a diagram, explain cleansing action of soap
|
|
0
|
14856
|
September 21, 2016
|
|
Soaps cannot be used with hard water. Why?
|
|
1
|
3645
|
September 21, 2016
|
|
What is meant by isomers?
|
|
1
|
7318
|
September 21, 2016
|
|
What is vinegar ? State its one use
|
|
1
|
3626
|
September 21, 2016
|