MCQ
Select the incorrect statement
- A$'Ne'$ is used in discharge tube
- BLiq. $'He'$ is used as a cryogenic agent
- ✓$'He'$ is inflammable gas and lighter gas.
- D$'Ar'$ used in a metallurgical process
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$Zn^{2 + }(aq.) + 2e⇔ Zn(s)$; $→$ $ -0.762$
$Cr^{3 + }(aq) + 3e ⇔ Cr(s)$; $→$ $-0.740$
$2H^ +(aq) + 2e⇔ {H_2}(g)$; $→$ $0.00$
$Fe^{3+}(aq) + e ⇔ Fe^{2+}(aq)$; $→$ $0.770$
Which is the strongest reducing agent
$X$ and $Y$ should be