MCQ
Elements those are exception of $n + l$ rule
- A$La$
- B$Ac$
- ✓Both
- D$P$
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A for precipitate formation reaction.
B for precipitate dissolution reaction.
C for precipitate exchange reaction.
D for no reaction.
${P_4} + NaOH \longrightarrow P{H_3} \uparrow + Na{H_2}P{O_2}$

How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom ?
