Which of the following indicates the correct order of acidic strength of the following acids-I- HCOOH Ka -1-8 - 10-4II- CH 3 COOH Ka -1-8 - 10-5III - HCN Ka -4-8 - 10-10IV- HS- Ka -1 - 10-14A- I - II - III - IVB- IV - III - II - IC- I - III - II - IVD- II - III - I - IV

The correct option is A I gt; II gt; III gt; IV As value of K_a increases acidic strength increases ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Periodic Properties

Which of the ...

Question

Which of the following indicates the correct order of acidic strength of the following acids.

I. HCOOH (Ka = 1.8 $\times$ $10^{- 4}$ )

II. $C H_{3} C O O H$ (Ka = 1.8 $\times$ $10^{- 5}$ )

III : HCN (Ka = 4.8 $\times$ $10^{- 10}$ )

IV: HS- (Ka = 1 $\times$ 10-14)

I > II > III > IV

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

IV > III > II > I

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I > III > II > IV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

II > III < I < IV

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
I > II > III > IV

As value of $K_{a}$ increases - acidic strength increases

Suggest Corrections

Similar questions

Q. The decreasing order of acidic character of the following is:
I.

C H_{3} S H

II.

C H_{3} O H

III.

H_{2} O

IV. EtOH

In the following molecules:
$B F_{3}, B C l_{3}, B B r_{3}, B I_{3} I, I I, I I I, I V$
The correct order of Lewis acidic strength will be:

The decreasing nucleophilic order of the following compound is:

$(i) Θ C H_{3}$

$(i i) Θ N H_{2}$

$(i i i) Θ O H$

$(i v) Θ F$

Arrange the following: $C H_{3} C H_{2} C H_{2} C l (I), C H_{3} C H_{2} C H C l C H_{3} (I I) {(C H_{3})}_{2} C H C H_{2} C l (I I I) a n d {(C H_{3})}_{3} C - C l (I V)$ in order of decreasing tendency towards $S N^{2}$ reaction

Q. Arrange the following oxides in the decreasing orders of their basic strength.

I . T l_{2} O

I I . A l_{2} O_{3}

I I I . T l_{2} O_{3}

I V . G a_{2} O_{3}

Join BYJU'S Learning Program

Which of the following indicates the correct order of acidic strength of the following acids. I. HCOOH (Ka = 1.8 × 10−4) II. CH3COOH(Ka = 1.8 × 10−5) III : HCN (Ka = 4.8 × 10−10) IV: HS- (Ka = 1 ×10-14)

The correct option is A I > II > III > IV As value of Ka increases - acidic strength increases

Which of the following indicates the correct order of acidic strength of the following acids.

I. HCOOH (Ka = 1.8 $\times$ $10^{- 4}$ )

II. $C H_{3} C O O H$ (Ka = 1.8 $\times$ $10^{- 5}$ )

III : HCN (Ka = 4.8 $\times$ $10^{- 10}$ )

IV: HS- (Ka = 1 $\times$ 10-14)

The correct option is A
I > II > III > IV

As value of $K_{a}$ increases - acidic strength increases