5. Co-ordination chemistry — Chemistry STD 12 Science — Question

Assertion $A$ : Aryl halides cannot be prepared by replacement of hydroxyl group of phenol by halogen atom.

Reason $R$ : Phenols react with halogen acids violently. In the light of the above statements, choose the most appropriate from the options given below:

$(I)$ coloured ions in aqueous solution

$(II)$ oxides of nitrogen are formed on reaction with concentrated $HNO_3$

$(III)$ chlorides of formula $MCl_2$ and $MCl_3$

$1.$ $P$ and $Q$, respectively, are the sodium salts of

$(A)$ hypochlorus and chloric acids

$(B)$ hypochlorus and chlorus acids

$(C)$ chloric and perchloric acids

$(D)$ chloric and hypochlorus acids

$2.$ $R , S$ and $T$, respectively, are

$(A)$ $SO _2 Cl _2, PCl _5$ and $H _3 PO _4$

$(B)$ $SO _2 Cl _2, PCl _3$ and $H _3 PO _3$

$(C)$ $SOCl _2, PCl _3$ and $H _3 PO _2$

$(D)$ $SOCl _2, PCl _5$ and $H _3 PO _4$

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