Question

what hapens when : a) Dibromoethane reacts with Zinc. b) propyne reacts with water​

Answer 1

Answer:

a) During the reaction of 1, 2-dibromoethane with Zn dust, dehalogenation of the alkane takes place to form ethene as: (Br)CH2−CH2(Br)+Zn→CH2=CH2+ZnBr2.

b)Propene reacts with water in the presence of a dilute, strong acid to produce propanol. ... Propene is an alkene. Alkenes are hydrocarbons which contain double bonds. The addition of a water molecule to another molecule is called an hydration reaction.

Explanation:

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Answer 2

Answer:

a. ethene

During the reaction of 1, 2-dibromoethane with Zn dust, dehalogenation of the alkane takes place to form ethene as:

(Br)CH2−CH2(Br)+Zn→CH2=CH2+ZnBr2

b. propanol

Propene reacts with water in the presence of a dilute, strong acid to produce propanol. The dilute, strong acid does not take place in the reaction itself. ... The addition of a water molecule to another molecule is called an hydration reaction. The hydration of an alkene is an example of an addition reaction.