AP EAMCET Medical 24 Sep 2020 Shift 1 Paper

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Question : 146 of 159
 
Marks: +1, -0
Which of the following statements about hydrogen is incorrect?
a) Hydrogen never acts as cation in ionic salts
b) Hydronium ion, H3O+ exists freely in solution
c) Dihydrogen does not act as a reducing agent
d) Hydrogen has three isotypes of which protium is the most common
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