Which of the following is/are correct for group 14 elements - (A) T...

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Which of the following is/are correct for group 14 elements -
(A) The stability of dihalides are in the order \( \mathrm{CX}_{2}\mathrm{SiX}_{2}\mathrm{GeX}_{2}\mathrm{SnX}_{2}\mathrm{PbX}_{2} \)
\( \mathrm{P} \)
(B) The ability to form \( \mathrm{p} \pi-\mathrm{p} \pi \) multiple bonds among themselves increases down the group
W
(C) The tendency for catenation decreases down the group
(D) They all form oxides with the formula \( \mathrm{MO}_{2} \)
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