Arrange the following set of carbocations in order of decreasing stability.

Choose the correct answer from the options given below:
What is meant by functional group in carbon compounds? Write in tabular form the structural formula and the functional group present in the following compounds:
(a) Ethanol
(b) Ethanoic acid

परंपरागत भोजन को लोकप्रिय कैसे बनाया जा सकता है ?
i. उपलब्ध करवाकर
ii. प्रचार-प्रसार द्वारा
iii. बिक्री की विशेष व्यवस्था करके
iv. घर-घर मुफ्त अभियान चलाकर विकल्प: