Buckminsterfullerene is an allotropic form of

State whether the following statement is true or false:
Heating ethanol at $443 \,K$ with excess concentrated sulphuric acid results in the dehydration of ethanol to give ethene.

"Saturated hydrocarbons burn with a blue flame while unsaturated hydrocarbons burn with a sooty flame". Why?

How would you name the following compounds?
$(i)$ $CH_{3}-CH_{2}-CH=CH_{2}$
$(ii)$ $CH_{3}-CH_{2}-CH_{2}-C(CH_{3})_{2}-CH_{3}$
$(iii)$ $CH_{3}-CH_{2}-CHO$
$(iv)$ $CH_{3}-CH(OH)-CH_{3}$

In electron dot structure,the valence shell electrons are represented by crosses or dots.
$(a)$ The atomic number of chlorine is $17$. Write its electronic configuration.
$(b)$ Draw the electron dot structure of chlorine molecule $(Cl_2)$.

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	$d$. $-COOH$