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Henderson Hassleback Equation

Which of the ...

Question

Which of the following anions neutralize the acidic pH of the chime that enters into the duodenum from the stomach?

A

H_{2} P O_{4}^{-}

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B

H S O_{4}^{-}

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C

H C O_{3}^{-}

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D

C H_{3} C O O^{-}

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Solution

The correct option is C $H C O_{3}^{-}$
$H C O_{3}$ which is produced by the duct cells helps in neutralizing the acidic chime. It creates an optimum pH for the digestive enzymes in the duodenum.

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Similar questions

Q. Which of the following aninos neutralize the acidic pH of the chyme that enters into the duodonum from the stomach?

Q. Which of the following are Bronsted acids as well as Bronsted bases?

{N H}_{3}, {H S O}_{4}^{-}, H_{2} {S O}_{4}, {H C O}_{3}^{-}, H_{3} O

Q. Four species are listed below.

(i) H C O_{3}^{-}

(i i) H_{3} O^{+}

(i i i) H S O_{4}^{-}

(i v) H S O_{3} F

Which one of the following is the correct sequence of their acid strength?

Q. Fill in the blanks with appropriate words.
Pancreas produces ..........to neutralize the acidity in the duodenum coming from the stomach.

Q. Calculate the pH of

0.1

M solution of (i)

N a H C O_{3}

N a_{2} H P O_{4}

N a H_{2} P O_{4}

C O_{2} + H_{2} O ⇌ H^{+} + C O_{3}^{2 -}

K_{1} = 4.2 \times 10^{- 7}

M

H C O_{3}^{-} ⇌ H^{+} + C O_{3}^{2 -}

K_{2} = 4.8 \times 10^{- 11}

M

H_{2} P O_{4} ⇌ H^{+} + H_{2} P O_{4}^{-}

K_{1} = 7.5 \times 10^{- 3}

M

H_{2} P O_{4}^{-} ⇌ H^{+} + H P O_{4}^{2 -}

K_{2} = 6.2 \times 10^{- 8}

M

H P O_{4}^{2 -} ⇌ H^{+} + P O_{4}^{3 -}

K_{3} = 1.0 \times 10^{- 12}

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