Table of Contents
- 1 What is the best reagent to convert 1-butene into butane?
- 2 How will you convert a but-1-ene to 1 Lodobutane?
- 3 Which among the following is used for the conversion of but-1-ene to 2-Bromobutane?
- 4 Which of the following reagents could be used to convert 2-butene to butane?
- 5 How do you convert ethanol to propanenitrile?
- 6 How can the following conversions be carried out I ethyl magnesium chloride → propan 1 ol?
- 7 How do you distinguish between but 1 YNE and but-2-YNE?
- 8 How can you obtain 1 Bromobutane from but-1-Ene?
What is the best reagent to convert 1-butene into butane?
Butene-1 may be converted to butane by reaction with. Dihydrogen gas adds to alkenes and alkynes in the presence of finely divided catalyst like Pt, Pd or Ni to form alkane.
How will you convert a but-1-ene to 1 Lodobutane?
i.e. the attack of HBr on but-1-ene in the presence of peroxide gives 1-bromobutane as the intermediate which on treatment with NaI+Acetone gives 1-iodobutane as the final product and NaBr as the by-product.
What is the difference between but-1-ene and but-2-ene?
Notice that butene has two different forms called isomers . But-1-ene and but-2-ene have the same molecular formula, but the position of their C=C bond is different. The number in their names show where that bond is located in the molecule.
Which among the following is used for the conversion of but-1-ene to 2-Bromobutane?
Statement 1: But-1-ene gives 2-Bromobutane with HBr/Peroxide. Statement 2: The reaction involves formation of more stable free radical obtained by anti Markovnikof rule.
Which of the following reagents could be used to convert 2-butene to butane?
alkyne. Which of the following reagents could be used to convert 2-butene to butane? 2,3-dibromobutane.
Which of the following reagent is used for conversion of butane into trance to butane?
Sodium salt of butanoic acid on heating with soda lime gives butane.
How do you convert ethanol to propanenitrile?
How can we convert ethanol to propanenitrile?
- Answer: Ethanol can be converted into propane nitrile by the following methods.
- Step 1 : The ethanol is converted into bromo ethane in the presence of catalyst known as Red P/ Br2. CH3 – CH2 – OH + Red P/ Br2 (Catalyst) →CH3 – CH2 – Br.
- Step 2 :
How can the following conversions be carried out I ethyl magnesium chloride → propan 1 ol?
When ethyl magnesium chloride is treated with methanal, an adduct is the produced which gives propan-1-ol on hydrolysis.
How would you distinguish between but-1-ene and but-2-ene by ozonolysis?
The chemical distinction between but-1 ene and but -2 ene can be done by looking at the ozonolysis products. On ozonolysis of but- 1 ene,, will give propanal and formaldehyde. Where as on the ozonolysis of But-2-ene, the product obtained is two moles of ethanal.
How do you distinguish between but 1 YNE and but-2-YNE?
But-1-yne contains acidic hydrogen and hence it reacts with ammonical Cu2Cl2 to form a red precipitate of copper−1−butynide whereas but-2-yne does not react with ammonical Cu2Cl2 as it do not have acidic hydrogen.
How can you obtain 1 Bromobutane from but-1-Ene?
It can be done by the free radical addition of HBr on but-1-ene. Normal addition of HBr on but-1-ene will result in the product of 2-bromobutane. If the reaction takes place in presence of peroxide, the antimarkownikoffs product , 1-bromobutane will be formed.
Which of the following reagents would be used to convert 2-butene to butane?