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What is the decreasing order of strength...

What is the decreasing order of strength of bases?
`OH^-, NH_2^-, H-C-=C and CH_3-H_2`

A

`OH^(-) gt NH_(2)^(-) gt H -C -= C^(-) gt CH_(3) - CH_(2)^(-)`

B

`NH_(2)^(-) gt OH^(-) gt CH_(3) -CH_(3)-CH_(2)^(-) gt H-C -= C^(-)`

C

`CH_(3) -CH_(2)^(-) gt NH_(2)^(-) gt H - C -= C^(-) gt OH^(-)`

D

`OH^(-) gt H-C -= C^(-) gt CH_(3) - CH_(2)^(-) gt NH_(2)^(-)`

Text Solution

Verified by Experts

Acid strength decreases in the order, `HOH gt CH -= CH gt NH_(3) gt CH_(3)CH_(3)`
Its conjucate bases are in the reverse order: `CH_(3)-CH_(2)^(-) gt NH_(2)^(-) gt H - C -= C^(-) gt OH^(-)`
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