MCQ
$x =$ moles of anhydride consumed


- A$1$
- B$2$
- ✓$3$
- D$4$


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$C{H_3}C{H_2}CH = CHC{H_3}$ $\xrightarrow{X}C{H_3}C{H_2}COOH\, + \,C{H_3}COOH$
The $X$ is
| List $I$ (Coordination entity) | List $II$ (Wavelength of light absorbed in $nm$) |
| $A$ ${\left[ CoCl \left( NH _3\right)_5\right]^{2+}}$ | $I$ $310$ |
| $B$ ${\left[ Co \left( NH _3\right)_6\right]^{3+}}$ | $II$ $475$ |
| $C$ ${\left[ Co ( CN )_6\right]^{3-}}$ | $III$ $535$ |
| $D$ ${\left[ Cu \left( H _2 O \right)_4\right]^{2+}}$ | $IV$ $600$ |
Choose the correct answer from the options given below