| Observe the given experimental set-up carefully. |
|
| Which of the following could be the possible observation and inference drawn? |
A) The solution becomes blue-green due to formation of copper oxide, P is acidic.
B) The solution becomes blue-green due to formation of copper chloride, P is basic.
C) The solution becomes white due to formation of calcium hydroxide, P is basic.
D) The solution becomes white due to formation of calcium oxide, P is acidic.
Correct Answer: B
Solution :
\[\underset{\begin{smallmatrix} Copper \\ hydroxide \\ (P)(Base) \end{smallmatrix}}{\mathop{Cu{{(OH)}_{2}}}}\,+2HCl(dil.)\xrightarrow{{}}\underset{\begin{smallmatrix} Blue-green \\ solution \end{smallmatrix}}{\mathop{CuC{{l}_{2}}+2{{H}_{2}}O}}\,\]
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