registered as soon as possible give me the answer fast at least question number 3 that is yellow tick on please please please because today is my exam it is also question
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3)In moving down in a particular group the valency remains the same.
Group 1---1 valency
Group 2---2 valency
Group 18---0 valency (since it's outermost shell has complete 8 electrons)
5)Alkane(CnH2n+2)--->Ethane and methane
Alkene(CnH2n)---->Ethene and propene
Alkyne(CnH2n-2)---->Ethyne and propyne
Group 1---1 valency
Group 2---2 valency
Group 18---0 valency (since it's outermost shell has complete 8 electrons)
5)Alkane(CnH2n+2)--->Ethane and methane
Alkene(CnH2n)---->Ethene and propene
Alkyne(CnH2n-2)---->Ethyne and propyne
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