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Chemistry
Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ?
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Q. Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ?
JEE Main
JEE Main 2017
The d-and f-Block Elements
A
$Ti^{2+}$
14%
B
$V^{2+}$
24%
C
$Cr^{2+}$
16%
D
$Mn^{2+}$
47%
Solution:
$Mn^{2+}$