Advertisements
Advertisements
प्रश्न
Arrange the halogens F2, Cl2, Br2, I2, in order of their increasing reactivity with alkanes.
पर्याय
I2 < Br2 < Cl2 < F2
Br2 < Cl2 < F2 < I2
F2 < Cl2 < Br2 < I2
Br2 < I2 < Cl2 < F2
Advertisements
उत्तर
I2 < Br2 < Cl2 < F2
Explanation:
The reactivity of halogens with alkanes depends on the electronegativity i.e. higher the electronegativity higher would be the reaction. As down the group reactivity decrease so thus its reactivity.
APPEARS IN
संबंधित प्रश्न
Write IUPAC name of the product obtained by the ozonolysis of the following compound.
Pent-2-ene
An alkene ‘A’ contains three C – C, eight C – H σ bonds and one C – C π bond. ‘A’ on ozonolysis gives two moles of an aldehyde of molar mass 44 u. Write IUPAC name of ‘A’.
Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?
Write a chemical equation for combustion reaction of the following hydrocarbon:
Hexyne
Arrange the following hydrogen halides in order of their decreasing reactivity with propene.
Which of the following alkenes on ozonolysis give a mixture of ketones only?
| (i) | CH3 – CH = CH – CH3 |
| (ii) | \[\begin{array}{cc} \ce{CH3 - C - CH = CH2}\\ |\phantom{.......}\\ \ce{CH3}\phantom{....} \end{array}\] |
| (iii) |  |
| (iv) | \[\begin{array}{cc} \phantom{...................}\ce{CH3}\\ \phantom{..............}/\\ \ce{(CH3)2 C = C}\\ \phantom{..............}\backslash\\ \phantom{...................}\ce{CH3} \end{array}\] |
In the presence of peroxide addition of HBr to propene takes place according to anti Markovnikov’s rule but peroxide effect is not seen in the case of HCl and HI. Explain.
An alkene 'X' on ozonolysis produces two moles of isovaleraldehyde. Predict the IUPAC name of the alkene.
The major product formed in the following reactions is:
What would be the main product when propene reacts with HBr?
Propene, \[\ce{CH3 - CH = CH2}\] can be converted to 1-propanol by oxidation. Which set of reagents among the following is ideal to effect the conversion ______.
3-Methyl-pent-2-ene on reaction with HBr in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is ______.
Identify the correct reagents that would bring about the following transformation.
Which of the following is the key step in the manufacture of sulphuric acid?
