MCQ
Predict the major product


- A

- B

- ✓

- D








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If the above equation is balanced with integer coefficients, the value of $z$ is____
Statement $I$ : The electronegativity of group $14$ elements from $\mathrm{Si}$ to $\mathrm{Pb}$ gradually decreases.
Statement $II$ : Group $14$ contains non-metallic, metallic, as well as metalloid elements.
In the light of the above statements, choose the most appropriate from the options given below :