MCQ
The $IUPAC$ name of (Figure) is


- AEthane dioicanhydride
- ✓Butane dioicanhydride
- CButanoic anhydride
- DEthanoic anhydride

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$CS_2 + 3O_2 \to 2SO_2 + CO_2$
What is $Y$ in the above reaction?
| List-I (Complex) | List-II (Hybridisation & Magnetic characters) | ||
| (A) | $\left[ MnBr _4\right]^{2-}$ | (I) | $d ^2 sp ^3 \&$ diamagnetic |
| (B) | $\left[ FeF _6\right]^3$ | (II) | $sp ^3 d^2 \&$ paramagnetic |
| (C) | $\left[ Co \left( C _2 O _4\right)_3\right]^3$ | (III) | $sp ^3 \&$ diamagnetic |
| (D) | $\left[ Ni ( CO )_4\right]$ | (IV) | $sp ^3 \&$ paramagnetic |