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Titration curves for 0.1M solution of th...

Titration curves for 0.1M solution of three weak acids `HA_1,HA_2 and HA_3` with ionization constants `K_1, K_2 and K_3` respectively are plotted as shown in the figure.
Which of the following is/are true?
` (##AKS_ELT_AO_CHE_XI_V01_B_C05_E02_135_Q01.png" width="80%">

A

`K_2 =(K_1+K_3) //2`

B

` K_1 lt K_3`

C

` K_1 gt K_2`

D

` K_2 gt K_3`

Text Solution

Verified by Experts

The correct Answer is:
C, D
` 2 lt 4 lt 5 rArr K_1 gt K_2 gt K_3`
acid strength ` alpha (1)/( pH)`
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