Arrange NH_4^+,H_2O,H_3O^{+},HF,and OH^{-} in | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) The acidic strength depends on the ability to donate a proton $(H^+)$. Comparing the species: $OH^{-}$ is a strong base,so it is the least acidic.

Vedclass · Accepted Answer

$OH^{-} < H_2O < NH_4^+ < HF < H_3O^{+}$

Vedclass · Answer

(C) The acidic strength depends on the ability to donate a proton $(H^+)$. Comparing the species: $OH^{-}$ is a strong base,so it is the least acidic. $H_2O$ is amphoteric but acts as a very weak acid. $NH_4^+$ is a weak acid $(pK_a \approx 9.25)$. $HF$ is a stronger acid than $NH_4^+$ $(pK_a \approx 3.17)$. $H_3O^{+}$ is a strong acid in aqueous solution $(pK_a \approx -1.74)$. Therefore,the increasing order of acidic nature is: $OH^{-} < H_2O < NH_4^+ < HF < H_3O^{+}$.

Arrange $NH_4^+$,$H_2O$,$H_3O^{+}$,$HF$,and $OH^{-}$ in increasing order of acidic nature.

Similar Questions

Chemical $A$ is used for water softening to remove temporary hardness. $A$ reacts with sodium carbonate to generate caustic soda. When $CO_2$ is bubbled through $A$,it turns cloudy,what is $A$?

Enthalpy of formation of $HF$ and $HCl$ are $-161 \ kJ$ and $-92 \ kJ$ respectively. Which of the following statements is incorrect?

Two planoconvex lenses each of focal length $10 \, cm$ and refractive index $3/2$ are placed as shown. In the space left, water $(R.I = 4/3)$ is filled. The whole arrangement is in air. The optical power of the system is (in diopters):

The organelle associated with aerobic respiration is:

Diborane reacts with ammonia under different conditions to give a variety of products. Which one among the following is not formed in these reactions?

Vedclass Test Series

Exam Paper Generator

Online Exam Module