MCQ
End product of the reaction sequence is


- A

- B

- C

- ✓$CH_3NH_2$




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| $a.$ | $\ce{As_2O_3 < SiO_2 < P_2O_3 < SO_2}$ | Acid strength. |
| $b.$ | $\ce{AsH_3 < PH_3 < NH_3}$ | Enthalpy of vapourisation. |
| $c.$ | $\ce{S < O < Cl < F}$ | More negative electron gain enthalpy. |
| $d.$ | $\ce{H_2O > H_2S > H_2Se > H_2Te}$ | Thermal stability. |
