MCQ
Which of the following reaction is not correctly represented
- A

- B

- ✓

- D






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|
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:

$\frac{d[NH_3]}{dt} = 2 \times 10^{-4} \, mol \,L^{-1} \, s^{-1}$ , the value of $\frac{-d[H_2]}{dt}$ would be .................. $mol \,L^{-1} \, s^{-1}$