Select the correct order of acidic strength: (a) \( \mathrm{BF}_{3}\mathrm{Me}_{3} \mathrm{~B} \...

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Select the correct order of acidic strength:
(a) \( \mathrm{BF}_{3}\mathrm{Me}_{3} \mathrm{~B} \)
(b) \( \mathrm{HC} \equiv \mathrm{C}-\mathrm{H}(s p \) carbon \( )\mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{H} \) ( \( s p^{2} \) carbon) \( \mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{H}\left(s p^{3}\right. \) carbon)
(c) \( \mathrm{BF}_{3}\mathrm{Me}_{3} \mathrm{~B} \)
(d) \( \mathrm{HC} \equiv \mathrm{C}-\mathrm{H} \) (sp carbon) \( \mathrm{H}_{2} \mathrm{C}=\mathrm{CH}-\mathrm{H} \)
( \( s p^{2} \) carbon \( )\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{H}\left(s p^{3}\right. \) carbon \( ) \)
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