STD 11 - 9. Hydricarbon — NEET STD 11 Science — Question

$(A)$ $\left[ FeF _{6}\right]^{3-}$

$(B)$ $\left[ Fe ( CN )_{6}\right]^{3-}$

$(C)$ $\left[ MnCl _{6}\right]^{3-}$ (high spin)

$(D)$ $\left[ Mn ( CN )_{6}\right]^{3-}$

$(i)$ benzene                  $(ii)$ toluene

$(iii)$ chlorobenzene      $(iv)$ phenol

Upon treatment with dilute alkaline $KMnO _4, P$ as well as $Q$ could produce one or more than one from $S , T$ and $U$.$Image$

$1.$ Compounds formed form $P$ and $Q$ are, respectively

$(A)$ Optically active $S$ and optically active pair $(T, U)$

$(B)$ Optically inactive $S$ and optically inactive pair $(T, U)$

$(C)$ Optically active pair $(T, U)$ and optically active $S$

$(D)$ Optically inactive pair $(T, U)$ and optically inactive $S$

$2.$ In the following reaction sequences $V$ and $W$ are respectively :$Image$

mcq $Image$

Give the answer question $1$ and $2.$

$I.$  In gaseous phase, the vapour pressure of $CH_3COOH$ is less than expected. 

$II.$ In benzene, acetic acid dimerises.

$III.\, CH_3OH$ is more viscous than $H_2O.$

$IV.\, CH_3OCH_3$ is non-polar but soluble in water. 

Select the correct set of codes using $T$ for true and $F$ for false statements in given sequence.

${C_2}{H_5}Br\xrightarrow{X}{\text{product}}\xrightarrow{{\text{Y}}}{C_3}{H_7}N{H_2}$