Question

distinguish between:-

a) but-2-yne and but-1-yne

b) ethene and ethyne

c) ethene and ethane

Answer 1

heya it's Aastha ...
Difference between ethene and ethyne

◆ ethene has double bond and ethyne has triple bond .

◆ ethene molecular formula is C2H6.
ethyne molecular formula is C2H2.

ethene and ethane-

◆The mixture will be decolourized as bromine molecules (brown) react with the double bond presence in ethene. ... The double bond that is in ethene, making it an alkene, not an alkane (like ethane).

I hope it help you

Answer 2

Heya friend I think I have the answer to this one.

A) but-2-yne=

Includes 4 carbon atoms with a triple bond on the second carbon...

But-1-yne=

Includes a triple bond on the 1st carbon

B) ethene=

Contains a pair of carbon atoms with a double bond.

Ethyne=
Contains a pair of carbon atoms with a triple bond.

C) ethene=
As mentioned above, it has two carbon atoms with a double bond.

Ethane=
Contains two carbons with a single bond.
(Note:- every carbon atom is usually connected to one or more monovalent elements)

In addition, this may help you,
-ane= single bond
-ene= double bond
-yne=triple bond

Please forgive me if I have given any wrong information.....