MCQ
Hydrated $AlC{l_3}$ is used as
- ACatalyst in cracking of petroleum
- BCatalyst in Friedel Craft reaction
- ✓Mordant
- DAll of these
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For this reaction which statement is false
| List - I | List - II | ||
| A. | $\left[ Co \left( NH _3\right)_{ 6 }\right]\left[ Cr ( CN )_6\right]$ | (i) | Linkage isomerism |
| B. | $\left.\left[ Co \left( NH _3\right)_3 NO _2\right)_3\right]$ | (ii) | Solvate isomerism |
| C. | $\left[ Cr \left( H _2 O \right)_6\right] Cl _3$ | (iii) | Co-ordination isomerism |
| D. | cis- $\left.\left[ CrCl _2( ox )_{ 2 }\right]\right]^{3-}$ | (iv) | Optical isomerism |

$A\,\xrightarrow{{{k_1}}}B$ ${k_1}\, = \,1.26\, \times \,{10^{ - 4}}\,{S^{ - 1}}$
$A\,\xrightarrow{{{k_2}}}C$ ${k_2}\, = \,3.8\, \times \,{10^{ - 5}}\,{S^{ - 1}}$