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Arrange NH4^(+ ) , H2O , H3O^(+) ,HF an...

Arrange `NH_4^(+ ) , H_2O , H_3O^(+) ` ,HF and `OH^(-) ` in increasing order of acidic nature :

A

`OH ^(-) lt H_2O lt NH_4^(-) lt HF lt H_3O^(+)`

B

` H_3O^(+) lt HF gt H_2O gt NH_4^(-) gt OH^(-)`

C

` NH_4^(+) lt HF lt H_3O^(+) lt H_2O lt OH^(-) `

D

` H_3O^(+) lt NH_4^(+) lt HF lt OH^(-) lt H_2O`

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The correct Answer is:
A
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