MCQ
Acetylene molecules contain
- A$5\sigma $ bond
- B$4\sigma $ bond and $1\pi $ bond
- ✓$3\sigma $ and $2\pi $
- D3$\sigma $ and $3\pi $
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$Cr\, | \,Cr^{3+}_{(0.1\,M)}\,||\, Fe^{2+}_{(0.01\, M)}\,|\, Fe$ is ......... $V$