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20 April, 01:47

Which bases can deprotonate acetylene? the pka values of the conjugate acids are given in parentheses. select all that apply. ch3ch2s - (pka = 10.5) ch2═ch - (pka = 44) ch3nh - (pka = 40) ch3ch2o - (pka = 16) ?

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  1. 20 April, 02:12
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    pKa is a value which is related to the acid dissociation constant Ka

    pKa = - log Ka

    i. e. Ka = 10^-pKa

    The deprotonation reaction of acetylene is:

    HC≡CH ↔ HC≡C⁻ + H⁺

    pKa (HC≡CH) = 25

    Solvents with pKa greater than 25 will deprotonate acetylene.

    Ans: CH2=CH⁻ pka = 44 and CH3NH⁻ pka = 40
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Home » Chemistry » Which bases can deprotonate acetylene? the pka values of the conjugate acids are given in parentheses. select all that apply. ch3ch2s - (pka = 10.5) ch2═ch - (pka = 44) ch3nh - (pka = 40) ch3ch2o - (pka = 16) ?
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