Will micelle formation take place when soap is dissolved in an organic solvent?

While cooking,if the bottom of the vessel is getting blackened on the outside,it means that:

Which of the following is not a straight chain hydrocarbon?

$(a)$ Complete the following equations:
$(i)$ $CH_4 + 2O_2 \longrightarrow CO_2 + 2H_2O + \text{Heat} + \text{Light}$
$(ii)$ $CH_3COOH + C_2H_5OH \xrightarrow{\text{Acid}} CH_3COOC_2H_5 + H_2O$
$(iii)$ $CH_3CH_2OH \xrightarrow[\text{443 K}]{\text{Conc. } H_2SO_4} CH_2=CH_2 + H_2O$

What is the compound having $(-CHO)$ functional group called?

Which of the following is the correct match between List-$I$ and List-$II$?

List-$I$	List-$II$
$1$. Hydroxyl group	$a$. $>C=O$
$2$. Aldehyde group	$b$. $-OH$
$3$. Carboxylic acid group	$c$. $-CHO$
$4$. Ketone group	$d$. $-COOH$