MCQ
Which complex is likely to show optical activity?
- ✓trans $-[Co(NH_3)_4 Cl_2]^+$
- B$[Cr(H_2O)_6]^{3+}$
- Ccis $- [Co(NH_3)_2 (en)_2 ]$
- Dtrans $-[Co(NH_3)_2 (en)_2]^{3+}$
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$FeCr _{2} O _{4}+ Na _{2} CO _{3}+ O _{2} \rightarrow A + Fe _{2} O _{3}+ CO _{2}$
$A + H ^{+} \rightarrow B + H _{2} O + Na ^{+}$