In citric acid cycle decarboxylation occurs when

Options

(a) Citric acid converts to α-ketoglutaric acid
(b) Succinic acid converts to malic acid
(c) Malic acid converts to oxaloacetic acid
(d) Oxaloacetic acid converts to citric acid

Correct Answer:

Citric acid converts to α-ketoglutaric acid

Explanation:

In decarboxylation, CO₂ is given out in the reaction. When citric acid converts to α- ketoglutarate in the TCA cycle then one molecule of CO₂ is released.