Question

ПОМОГИТЕ ПОЖАЛУЙСТА С ХИМИЕЙ! ОЧЕНЬ СРОЧНО! КТО-НИБУДЬ, ОЧЕНЬ НУЖНО!!! ЗАРАНЕЕ СПАСИБО!Осуществите превращения: CnH2nCL2→CnH2n-2→CnH2n+2 O2→CnH2n-2→CnH2n+2 O4→C2nH4n+2 O4. Напишите уравнения реакций и укажите условия их протекания.

Answer 1

1. CnH2nCL2 + 2NaOH(спиртовый) = CnH2n-2 + 2NaCl + 2H2O

2.CnH2n-2 + 4H2 (над стрелочкой: t, Ni) --> CnH2n+2

 

1. хз вообще, вы уверены, что из кислорода?

2.CnH2n-2 + 4H2 (над стрелочкой: t, Ni) --> CnH2n+2

 

1. хз

Answer 2

1. CnH2nCL2 + 2NaOH = CnH2n-2 + 2NaCl + 2H2O

2.CnH2n-2 + 4H2 = CnH2n+2

 

Answer 3

Balancing Chemical Equations and Reaction Conditions

To balance the given chemical equations and provide the reaction conditions, we will go through each equation step by step.

1. CnH2nCl2 → CnH2n-2 - This equation represents the dehydrohalogenation reaction, where a hydrogen atom and a chlorine atom are removed from the hydrocarbon. - The reaction conditions for this type of reaction typically involve the use of a strong base, such as sodium hydroxide (NaOH), and heat. - The balanced equation for this reaction is: CnH2nCl2 → CnH2n-2 + HCl

2. CnH2n-2 → CnH2n+2 - This equation represents the hydrogenation reaction, where hydrogen gas (H2) is added to the hydrocarbon. - The reaction conditions for this type of reaction typically involve the use of a metal catalyst, such as platinum (Pt) or palladium (Pd), and heat. - The balanced equation for this reaction is: CnH2n-2 + H2 → CnH2n+2

3. CnH2n+2 + O2 → CnH2n-2 - This equation represents the combustion reaction, where the hydrocarbon reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O). - The reaction conditions for this type of reaction typically involve the presence of excess oxygen and heat. - The balanced equation for this reaction is: CnH2n+2 + (3n+1)O2 → nCO2 + (n+1)H2O

4. CnH2n-2 → CnH2n+2 + O4 - This equation represents the ozonolysis reaction, where the hydrocarbon reacts with ozone (O3) to produce aldehydes or ketones. - The reaction conditions for this type of reaction typically involve the use of ozone (O3) and a reducing agent, such as zinc (Zn) or dimethyl sulfide (CH3)2S. - The balanced equation for this reaction is: CnH2n-2 + O3 → CnH2n+2 + O4

5. C2nH4n+2 + O4 - This equation represents the oxidation reaction, where the hydrocarbon reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O). - The reaction conditions for this type of reaction typically involve the presence of a strong oxidizing agent, such as potassium permanganate (KMnO4) or potassium dichromate (K2Cr2O7), and heat. - The balanced equation for this reaction is: C2nH4n+2 + (3n+1)O2 → 2nCO2 + (n+1)H2O

Please note that the specific values of 'n' in the equations will depend on the specific hydrocarbon being used in the reactions.

I hope this helps! Let me know if you have any further questions.