When a mixture of methane and oxygen is passed through heated molybdenum oxide,the main product formed is

$\dot{Cl} + CH_4 \rightarrow A + B$
$A$ and $B$ in the above atmospheric reaction step are.

Which type of hybridization is found in the $C-C$ single bond of an alkane and the $C=C$ double bond of an alkene?

Among the following free radical bromination reactions,select those in which a $2^o$ halide is the major product. The reactions are as follows:
$(P)$ Cyclohexane + $Br_2/hv$
$(Q)$ Methylcyclobutane + $Br_2/hv$
$(R)$ Ethylbenzene + $Br_2/hv$
$(S)$ $3-$Methylhexane + $Br_2/hv$
$(T)$ Decalin + $Br_2/hv$
$(U)$ Butane + $Br_2/hv$

What is the use of $tetraethyl$ lead $(TEL)$?

Identify the major product $Y$ in the following reaction sequence:
$CH_3-CH(CH_3)-CH_2-Cl$ $\xrightarrow[\text{dry ether}]{Na} X$ $\xrightarrow[\text{monobromination}]{Br_2/h\nu} Y$ (major)