MCQ
Reason for geometrical isomerism by $2-$butene is
- AChiral carbon
- BFree rotation about single bond
- CFree rotation about double bond
- ✓Restricted rotation about double bond
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$(A)$ It behaves as a weak acid in water due to self ionization.
$(B)$ Acidity of its aqueous solution increases upon addition of ethylene glycol.
$(C)$ It has a three dimensional structure due to hydrogen bonding.
$(D)$ It is weak electrolyte in water.
