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Which statements are correct:...

Which statements are correct:

A

(a) Heterogeneous catalyst used in polymerisation of alkene is Ziegler Natta catalyst (for the synthesis of HDPE).

B

(b) Homogeneous catalyst used in the hydrogenation of alkenes is Wilkinson's catalyst.

C

(c) Formula for Ziegler Natta catalyist is `[RhCl(PPh_3)_3]` and for Wilkinson's catalyst is `TiCl_4+Et_3Al`.

D

(d) Wilkinson's catalyst also reduces acid (RCOOH) to alcohol `(RCH_2OH)`.

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A, B, D
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