pBlock ElementsII - Result Question 77

####72. The total number of diprotic acids among the following is

H3PO4 H2SO4 H3PO3
H2CO3 H2S2O7 H3BO3
H3PO2 H2CrO4 H2SO3

(2010)

Subjective Questions

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Solution:

  1. Diprotic acids =6

Others are



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