MCQ
Dipole moment is shown by
- A$1, 4-$dichlorobenzene
- B$cis$ $1, 2-$dichloroethene
- C$trans$$1, 2-$dichloro$-2-$pentene
- ✓$(b)$ and $(c)$
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$(A)$ Hydrated $Al _2 O _3$ precipitates, when $CO _2$ is bubbled through a solution of sodium aluminate.
$(B)$ Addition of $Na _3 AlF _6$ lowers the melting point of alumina.
$(C)$ $CO _2$ is evolved at the anode during electrolysis.
$(D)$ The cathode is a steel vessel with a lining of carbon.
