Carboxylic Acids — Prelims Questions

Which of the following compounds will give brisk effervescence with sodium bicarbonate solution?

Which of the following reagents would be suitable for the reduction of a carboxylic acid to a primary alcohol?

Which of the following is the correct order of increasing acidity?

What is the product formed when propanoic acid reacts with thionyl chloride (SOCl\_2)?

Which of the following statements about the Hell-Volhard-Zelinsky (HVZ) reaction is incorrect?

A compound 'X' reacts with dry ice followed by hydrolysis to give propanoic acid. What is compound 'X'?