MCQ
Only an aldehyde having..... can undergo the aldol condensation
- AAt least one beta H atom
- ✓At least one alpha $H$ atom
- CAn aromatic ring
- DNo alpha H atom
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${H_2}\left( g \right)\,1atm\,|\,{H^ + }\left( {1M} \right)\,||\,C{u^{2 + }}\left( {1M} \right)\,|\,Cu\left( s \right)$
which of the following statements is true

A for precipitate formation reaction.
B for precipitate dissolution reaction.
C for precipitate exchange reaction.
D for no reaction.
${P_4} + NaOH \longrightarrow P{H_3} \uparrow + Na{H_2}P{O_2}$