Question 1 :
Alkaline Potassium Permanganate Test : Add a few drops of alkaline potassium permanganate solution to the hydrocarbon.<br /> <table style="border-collapse: collapse; width: 100%;" border="1"> <tbody> <tr> <td style="width: 50%;">(A) Alkanes</td> <td style="width: 50%;">(i) The purple colour of Potassium permanganate is decolourised.</td> </tr> <tr> <td style="width: 50%;">(B) Alkenes</td> <td style="width: 50%;">(ii) No change takes place</td> </tr> <tr> <td style="width: 50%;">(C) Alkynes</td> <td style="width: 50%;"> </td> </tr> </tbody> </table>
Question 5 :
The resulting ester, when ethyl alcohol and acetic acid are mixed together :
Question 7 :
Which one of the following will be formed when one hydrogen atom is removed from an alkane?
Question 8 :
How many bonding electrons are present in valence shell of carbon?
Question 11 :
Hydrocarbons containing at least one carbon-carbon double bond can be named as?
Question 12 :
Dehydrohalogenation of X with alcoholic KOH produces ethene. X is :
Question 15 :
Bromine Test. Add a few drops of sol. of bromine in carbon tetrachloride to the hydrocarbon. <br /><table style="border-collapse: collapse; width: 100%;" border="1"><tbody><tr><td style="width: 50%;">(A) Alkanes</td><td style="width: 50%;">(i) The red colour of bromine is decolourised</td></tr><tr><td style="width: 50%;">(B) Alkenes</td><td style="width: 50%;">(ii) No change takes place</td></tr><tr><td style="width: 50%;">(C) Alkynes</td><td style="width: 50%;"> </td></tr></tbody></table>
Question 16 :
Which term is used for a formula that establishes abbreviation for various groups of chain?
Question 17 :
The property of carbon of form chains and rings is called :
Question 19 :
When one hydrogen atom of an alkane is substituted by one halogen atom it will be
Question 20 :
Which of the following hydrocarbon helps in the artificial ripening of fruits?
Question 28 :
The organic compound mixed with ethanol to make it spurious is :
Question 29 :
Bromine solution in carbon tetrachloride detects the presence of unsaturation in the given hydrocarbon.
Question 31 :
Coal is heated in absence of air at high temperature to form coal gas, coal tar and coke by the process
Question 32 :
Which of the following hydrocarbon is widely used in welding and cutting metals?
Question 33 :
Identify the statement which does not describe the property of alkenes :
Question 35 :
Almost 95% compounds are made up of carbon because it can form
Question 39 :
An organic compound undergoes addition reactions and gives a red colour precipitate with ammoniacal cuprous chloride. Therefore, the organic compound could be
Question 46 :
Ammoniacal Cuprous Chloride Test : Add a few drops of ammonical cuprous chloride sol. to the hydrocarbon.<br /> <table style="border-collapse: collapse; width: 100%;" border="1"> <tbody> <tr> <td style="width: 50%;">(A) Alkanes</td> <td style="width: 50%;">(i) A red ppt. of copper acetylide is formed.</td> </tr> <tr> <td style="width: 50%;">(B) Alkenes</td> <td style="width: 50%;">(ii) No change takes place</td> </tr> <tr> <td style="width: 50%;">(C) Alkynes</td> <td style="width: 50%;"> </td> </tr> </tbody> </table>
Question 48 :
If the molecular formula of an organic compound is C10H18 it is :
Question 49 :
With the increasing of number of carbon atoms, number of possible isomers