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Oxoacids of Halogens

Within the li...

Question

Within the list shown below, the correct pair of structures of alanine in pH ranges 2-4 and 9-11 is:
I. $H_{3} N^{+} - C H (C H_{3}) C O_{2} H$
II. $H_{2} N - C H (C H_{3}) C O_{2}^{-}$
III. $H_{3} N^{+} - C H (C H_{3}) C O_{2}^{-}$
IV. $H_{2} N - C H (C H_{3}) C O_{2} H$

I and II

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I and III

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II and III

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III and IV

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Solution

The correct option is B I and II
The correct pair of structures of alanine in pH ranges 2-4 and 9-11 is
I. $H_{3} N^{+} - C H (C H_{3}) C O_{2} H$
II. $H_{2} N - C H (C H_{3}) C O_{2}^{-}$
In pH range 2-4, the medium is acidic and the amino group is protonated.
In pH range 9-11, the medium is basic and carboxylic group is deprotonated.

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Similar questions

Q. Within the list shown below, the correct pair of structures of alanine in

p H

range

2 - 4

and

9 - 11

is:
I.

H_{3} N^{+} C H ({C H}_{3}) {C O}_{2} H

II.

H_{2} N C H ({C H}_{3}) {C O}_{2}^{-}

III.

H_{3} N^{+} C H ({C H}_{3}) {C O}_{2}^{-}

IV.

H_{2} N C H ({C H}_{3}) {C O}_{2} H

Q. Correct arrangement of the following acids in correct

K_{3}

order is :

(I) H 3 N^{⨁} C H_{2} C O O H (I I) N C C H 2 C O O H (I I I) H_{3} C C H_{2} C O O H (I V) ⊝ O O C C H_{2} C O O H

Question 4

Given below is a list of edible plants.

(i) Banana

(ii) Pumpkin

(iii) Lady's finger

(iv) Brinjal

Which pair of plants has two or more edible parts?

(a) (i) and (ii)

(b) (ii) and (iii)

(d) (i) and (iv)

Question 10

Consider the list of terms given below:
(i) Tsunami
(ii) Landslides
(iii) Floods
(iv) Lightning
Earthquakes can cause
(a) (i), (ii) and (iii)
(b) (ii) and (iv)
(c) (ii), (iii) and (iv)
(d) (iii) and (iv)

Q. Which of the following are correct structural isomers of butane?
(i)

(ii)

(iii)

(iv)

(a) (i) and (iii)
(b) (ii) and (iv)
(c) (i) and (ii)
(d) (iii) and (iv)

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Within the list shown below, the correct pair of structures of alanine in pH ranges 2-4 and 9-11 is: I. H3N+−CH(CH3)CO2HII. H2N−CH(CH3)CO−2III. H3N+−CH(CH3)CO−2IV. H2N−CH(CH3)CO2H

The correct option is B I and IIThe correct pair of structures of alanine in pH ranges 2-4 and 9-11 is I. H3N+−CH(CH3)CO2HII. H2N−CH(CH3)CO−2In pH range 2-4, the medium is acidic and the amino group is protonated.In pH range 9-11, the medium is basic and carboxylic group is deprotonated.

Within the list shown below, the correct pair of structures of alanine in pH ranges 2-4 and 9-11 is:
I. $H_{3} N^{+} - C H (C H_{3}) C O_{2} H$
II. $H_{2} N - C H (C H_{3}) C O_{2}^{-}$
III. $H_{3} N^{+} - C H (C H_{3}) C O_{2}^{-}$
IV. $H_{2} N - C H (C H_{3}) C O_{2} H$