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Nitrogen Cycle

ka value orde...

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ka value order for phenol, orthonirtophenol metanitrophenol and paranitrophenol

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Q. Between orthonitrophenol and paranitro phenol which one has lower

P^{k a}

K_{a}

values of alcohols, water and phenol are of order

10^{17}, 10^{14}

10^{10}

respectively. Which of the following reactions is possible?

(I) C_{6} H_{5} O^{⊝} + H_{2} O \to C_{6} H_{5} O H + O H^{⊝}

(I I) C_{2} H_{5} O^{⊝} + H_{2} O \to C_{2} H_{5} O H + O H^{⊝}

Q. Calculate the pH of

1.0 \times 10^{- 3}

M sodium phenolate,

N a O C_{6} H_{5} \cdot K_{a}

H O C_{6} H_{5}

0.6 \times 10^{- 10}

Q. Arrange the following phenols in increasing order of

{p K a}_{1}

Q. Give the decreasing order of

K_{a}

value of the following compounds.

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