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151. What is the conjugate acid of CH₃COO^– ?

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152. What is the conjugate base of

HSO subscript 4 superscript minus

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153. What is the conjugate base of

HCO subscript 3 superscript 2 minus end superscript

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154. Select conjugate acid base pair from the following equations:

left parenthesis straight i right parenthesis space HF plus HNO subscript 3 space rightwards harpoon over leftwards harpoon space space space straight H subscript 2 NO subscript 3 superscript plus space plus space straight F to the power of minus left parenthesis ii right parenthesis space HNO subscript 3 plus space straight H subscript 2 straight O space rightwards harpoon over leftwards harpoon space space straight H subscript 3 straight O to the power of plus space plus space NO subscript 3 superscript minus

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155. What is neutralisation according to Bronsted Lowry concept?

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156. Classify acids and bases:

SO subscript 4 superscript 2 minus end superscript semicolon space NH subscript 4 superscript plus semicolon space CH subscript 3 COO to the power of minus.

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157. What are aprotic acids ?

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158. Which of the following are Lewis acids and which are Lewis bases:
NH₃, AlCl₃, Ag⁺,OH^–

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159. Which of the following are Lewis acids : H₂O, BF₃, H⁺ and NH₄⁺?

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160. What is neutralisation according to Lewis concept?

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