1.

What is the decreasing order of strength of bases? OH^-,NH_2^-,H-C-=C^(-) andCH_3-CH_2^(-)

Answer»

`OH^(-) gtNH_2^(-) GT H-C-=C^(-) gtCH_3-CH_2^-`
`NH_2^(-) gt OH^(-) gtCH_3^(-)-CH_2^(-) gtH-C-=C^-`
`CH_3-CH_2 -gtNH_2^(-) gtH-C-=C^(-) gtOH^-`
`OH^(-) gtH-C-=C^(-) gtCH_3-CH_2-gtNH_2^-`

Solution :Acid STRENGTH decreases in order
`HOH gt CH-=CH gt NH_3 gt CH_3CH_3`
Its CONJUCATE bases are in the reverse order
`CH_3-CH_2 -gtNH_2^(-) gtH-C-=C^(-) gtOH^-`


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