MCQ

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Consider following compounds :
$(I)\, H_3X - NCS$        $(II)\,H_3Y - NCS$   $(III)\, (H_3X)_2O$   $(IV)\, (H_3Y)_2O$
The incorrect statement regarding given compound is

• A
  If $Y$ is carbon in compounds $(II)$ and $(IV)$, then both are bent
• ✓
  If $X$ is silicon in compounds $(I)$ and $(lll)$, then both are linear
• C
  If $X$ is carbon and $Y$ is silicon then compound $(I)$ is more basic- than  compound $(II)$
• D
  If $X$ is silicon and $Y$ is carbon then $X-O-X$ bond angle compounds $(III)$ is  greater than $Y -O-Y$ bond angle in compounds $(IV)$