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206. State the formula and name of the conjugate base of the following acids:
(i)CH₃COOH (ii) CH₃NH₃⁺(iii)H₃PO₄ $left parenthesis iv right parenthesis space straight H subscript 2 PO subscript 4 superscript minus$

Given species Conjugate base Name

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207. State the formula and name of conjugate acid of the following bases:
(i) OH^–

left parenthesis ii right parenthesis space HPO subscript 4 superscript 2 minus end superscript

^{$left parenthesis iii right parenthesis space straight H subscript 2 PO subscript 4 superscript minus space space space space space space space space space space left parenthesis iv right parenthesis space space CH subscript 3 NH subscript 2$}

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208.

State the formula and name of conjugate acid of the following bases:
(i) $CO subscript 3 superscript 2 minus end superscript$ (ii) NH₃(iii) CH₃COO^– (iv) HS^–