MCQ
In the first transition series, the highest $B.P. $ and $M.P.$ is of
- ✓$Cr$
- B$V$
- C$Ni$
- D$Fe$
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$(A)$ $H _2 O _2$ in presence of $NaOH$
$(B)$ $Na _2 O _2$ in water
$(C)$ $H _2 O _2$ in presence of $H _2 SO _4$
$(D)$ $Na _2 O _2$ in presence of $H _2 SO _4$
$(I)$ $RCOCl$
$(II)$ $RCOOR$
$(III)$ $RCON{H_2}$
$(IV)$ ${(RCO)_2}O$
Statement $(I)$ : Aminobenzene and aniline are same organic compounds.
Statement $(II)$ : Aminobenzene and aniline are different organic compounds.
In the light of the above statements, choose the most appropriate answer from the options given below:
| List-$I$ | List-$II$ |
| $\mathrm{P}_2 \mathrm{O}_3+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ | $\mathrm{P}(\mathrm{O})\left(\mathrm{OCH}_3\right) \mathrm{Cl}_2$ |
| $\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ | $\mathrm{H}_3 \mathrm{PO}_3$ |
| $\mathrm{PCl}_5+\mathrm{CH}_3 \mathrm{COOH} \rightarrow$ | $\mathrm{PH}_3$ |
| $\mathrm{H}_3 \mathrm{PO}_2+2 \mathrm{H}_2 \mathrm{O}+4 \mathrm{AgNO}_3 \rightarrow$ | $\mathrm{H}_3 \mathrm{PO}_4$ |