The structure of the intermediates involve in the HVZ reaction of bromine with `RCH_2 CO_2 H`

The structure of the intermediate formed in the Riemer Tiemann reaction is :

The structure of the intermediate formed in the Riemer Tiemann reaction is :

Intermediate involved in Reimer-Tiemann reaction is

Predict the structure of the intermediates/products in the following reaction sequences

What are the intermediate products involved in the following reaction ? CHCI_(3)overset(4OH^(-))(to) HCOO^(-)+3CI^(-) +2H_(2)O