Bulk of carbon dioxide $(CO_2)$ released from body tissues into the blood is present as

Which of the following conditions is favorable for the formation of oxyhemoglobin?

How is $CO_2$ transported from tissues to the respiratory surface?

The process of migration of chloride ions from plasma to $R.B.C.$ and bicarbonate ions from $R.B.C.$ to plasma is known as:

Given below are two statements.
Statement $I$: Carbonic anhydrase enzyme is found in $RBCs$ and is absent in plasma.
Statement $II$: The rate of formation of carbonic acid is very high inside $RBCs$ than in plasma.
In light of the above statements, select the correct answer from the options given below.

Which factor is favourable for the formation of oxyhaemoglobin in the alveoli?