MCQ
product is ?


- A

- ✓

- C

- D








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$CH_3COOC_2H_5 + C_6H_5 -CH_2 -COOC_2H_5$ $\mathop {\xrightarrow{{{C_2}{H_5}ONa}}}\limits_{{C_2}{H_5}OH} $
$(a)$ Lewis acidity order : $SiF_4 < SiC_{4} < SiBr_4 < Sil_4$
$(b)$ Melting point : $NH_3 > SbH_3 > AsH_3 > PH_3$
$(c)$ Boiling point : $NH_3 > SbH_3 > AsH_3 > PH_3$
$(d)$ Dipole moment order : $NH_3 > SbH_3 > AsH_3 > PH_3$
