MCQ
Which acid is formed by ${P_2}{O_3}$
- A${H_3}P{O_4}$
- ✓${H_3}P{O_3}$
- C$HP{O_3}$
- D${H_4}{P_2}{O_7}$
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$(I)\, IUPAC$ name of compound is pentaamminenitrito $-N-$ chrornium $(III)$ tetrachlorozincate $(II)$
$(II)$ It shows geometrical isomerism
$(III)$ It shows linkage isomerism
$(IV)$ It shows coordination isomerism
$(A)$ Na and excess of $NH _3$
$(B)$ $K$ and excess of $O _2$
$(C)$ $Cu$ and dilute $HNO _3$
$(D)$ $O _2$ and $2$-ethylanthraquinol
Product $(C)$ is :