- APosition of atoms
- BLength of carbon
- ✓Spatial arrangement of atoms
- DPosition of functional group
Geometrical isomerism is observed due to restricted rotation around the carbon-carbon double bond.
In geometrical isomerism there is no change in the position of the double bond or there is no change in the $C - C$ bond length there is only a change in the spatial arrangement of the groups across the double bond.
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$O _2, HF , H _2 O , NH _3, H _2 O _2, CCl _4, CHCl _3, C _6 H _6, C _6 H _5 Cl \text {. }$
When a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure?
${(C{H_3}O)_2}CHC{H_2}C{H_2}C{H_2}Br\xrightarrow{{Mg}}\xrightarrow{{{H_2}C = O}}\xrightarrow[{heat}]{{{H_3}{O^ + }}}$