Observe the given figures and choose the correct option :

(1) pH of I is greater than pH of II and III
(2) pH of III is greater than pH of I and II
(3) pH of I, II and III is equal
(4) pH of II is greater than pH of I and III

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Solution

pH range of acids is less than 7 while bases have pH range more than 7. Water has a pH of 7. Sodium hydroxide is a base, so it will have maximum pH among the three solutions and hydrochloric acid being an acid will have the lowest pH.

Hence, the correct answer is option 4.

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Similar questions

Q. Arrange the following species in decreasing order, towards electrophilic addition reaction:
(I)

P h_{2} C = C H_{2}

(II) Ph-CH = CHPh
(III) Ph-CH = CHMe

Q. Decreasing order of acidic nature of following is:

(i) H C O O H (i i) P h - C O O H (i i i) P h - O H

(i v) C H_{3} C O O H

Q. Solution I has

p H = 2.4

, Solution II has

p H = 3.6

, Solution III has

p H = 4.6

Then

p H

of resulting solution is:

Question 14.
Which of the following statements is correct about an aqueous solution of an acid and a base?
(i) Higher the pH, stronger the acid
(ii) Higher the pH, weaker the acid
(iii) Lower the pH, stronger the base
(iv) Lower the pH, weaker the base

Choose the correct option from the following:
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (ii) and (iv)

Q. Match the column I with column II and mark the appropriate choice.

Column I	Column II
(A) $C H_{3} C O O N a$	(i) Almost neutral, pH > $7$ or < $7$
(B) $N H_{4} C l$	(ii) Acidic, pH < $7$
(C) $N a N O_{3}$	(iii) Alkaline, pH > $7$
(D) $C H_{3} C O O N H_{4}$	(iv) Neutral, pH = $7$

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Observe the given figures and choose the correct option : (1) pH of I is greater than pH of II and III (2) pH of III is greater than pH of I and II (3) pH of I, II and III is equal (4) pH of II is greater than pH of I and III

pH range of acids is less than 7 while bases have pH range more than 7. Water has a pH of 7. Sodium hydroxide is a base, so it will have maximum pH among the three solutions and hydrochloric acid being an acid will have the lowest pH. Hence, the correct answer is option 4.

Observe the given figures and choose the correct option :

(1) pH of I is greater than pH of II and III
(2) pH of III is greater than pH of I and II
(3) pH of I, II and III is equal
(4) pH of II is greater than pH of I and III

pH range of acids is less than 7 while bases have pH range more than 7. Water has a pH of 7. Sodium hydroxide is a base, so it will have maximum pH among the three solutions and hydrochloric acid being an acid will have the lowest pH.

Hence, the correct answer is option 4.