$A$ hydrocarbon containing $2$ carbon atoms gives Sabatier and Senderen's reaction but does not give a precipitate with ammoniacal silver nitrate solution. The hydrocarbon is:

Predict the major alkene product formed upon heating the following ester:

In hydroboration-oxidation reaction $:-$
$I$. Syn addition takes place
$II$. Reaction proceeds through the formation of a cyclic transition state
$III$. Vicinal diol is obtained as a product
$IV$. Anti-addition takes place and Anti-Markovnikov rule is followed
Which of the following statement$(s)$ is/are correct $:-$

Which of the following compounds on ozonolysis gives a product that gives a silver mirror with Tollen's reagent?

The major product of the following reaction is:

Which of the following statements is correct about $1, 3-$butadiene?