MCQ
Consider the above reaction, the compound $'A'$ is


- A

- B

- ✓

- D








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(ii) Silver metal does not react with $1 M$ zinc nitrate solution
(iii) Zinc metal dissolves in $1M$ copper sulphate solution and copper metal gets depositedHence the order of decreasing strength of the three metals as reducing agents will be
|
List - $I$ Compound |
List - $II$ Use |
| $(A)$ Carbon tetrachloride | $(I)$ Paint remover |
| $(B)$ Methylene chloride | $(II)$ Refrigerators and air conditioners |
| $(C)$ DDT | $(III)$ Fire extinguisher |
| $(D)$ Freons | $(IV)$ Non Biodegradable insecticide |
Choose the correct answer from the options given below:

$(A)$ $Q = KNO _2, W = LiAlH _4$
$(B)$ $R =$ benzenamine, $V = KCN$
$(C)$ $Q = AgNO _2, R =$ phenylmethanamine
$(D)$ $W = LiAlH _4, V = AgCN$