When succinic acid is heated,the product formed is:

The major product formed in the following reaction is
$C_6H_5CH=CH_2$ $\xrightarrow[(ii) H_3O^+]{(i) KMnO_4, KOH, \Delta}$ $\xrightarrow{(iii) Br_2/FeBr_3} \text{Product}$

Which of the following is the correct order of acidic strength?

How many organic products will be formed when the following compound undergoes decarboxylation?
(Image: $A$ substituted cyclopentane ring with two $-COOH$ groups at the same carbon atom,and two $-CH_3$ groups at adjacent carbons.)

What are $A$ and $B$ in the following reaction sequence?
$CH_3COOH$ $\xrightarrow{A} X$ $\xrightarrow[H^{+}]{Y} \underset{\text{(Analgesic drug)}}{B}$

$C_6H_5CH_2MgBr$ $\xrightarrow[\text{(ii) } H_3O^{+}]{\text{(i) } CO_2 / \text{Ether}} \text{'X'}$ $\xrightarrow[\Delta]{NaOH + CaO} \text{'Y'}$
What is the final product in this reaction?