Which of the following statements is true?

  • Option 1)

    H_{3}PO_{3}  is a stronger acid than H_{2}SO_{3}

  • Option 2)

    In aqueous medium HF is a stronger acid than HCl

  • Option 3)

    HClO_4  is a weaker acid than HClO_3

  • Option 4)

    HNO_3  is a stronger acid than HNO_2

 

Answers (1)

As we learnt in 

Acidity of nitric acid -

Strong acid, in aqueous solution gives hydronium and nitrate ions

- wherein

HNO_{3}+H_{2}O\rightarrow H_{3}O^{+}+NO_{3}^{-}

 

 Let's look at conjugate bases of HNO3 and HNO2

The negative charge is more delocalized on NO3- making it a more stable conjugate base.


Option 1)

H_{3}PO_{3}  is a stronger acid than H_{2}SO_{3}

This option is incorrect.

Option 2)

In aqueous medium HF is a stronger acid than HCl

This option is incorrect.

Option 3)

HClO_4  is a weaker acid than HClO_3

This option is incorrect.

Option 4)

HNO_3  is a stronger acid than HNO_2

This option is correct.

Most Viewed Questions

Preparation Products

Knockout JEE Main April 2021 (One Month)

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 14000/- ₹ 4999/-
Buy Now
Knockout JEE Main May 2021

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 22999/- ₹ 9999/-
Buy Now
Test Series JEE Main May 2021

Unlimited Chapter Wise Tests, Unlimited Subject Wise Tests, Unlimited Full Mock Tests, Get Personalized Performance Analysis Report,.

₹ 6999/- ₹ 2999/-
Buy Now
Knockout JEE Main May 2022

Personalized AI Tutor and Adaptive Time Table, Self Study Material, Weekend Live Classes, Mentorship from our Experts, Unlimited Mock Tests and Personalized Analysis Reports, 24x7 Doubt Chat Support,.

₹ 34999/- ₹ 14999/-
Buy Now
JEE Main Rank Booster 2021

Booster and Kadha Video Lectures, Unlimited Full Mock Test, Adaptive Time Table, 24x7 Doubt Chat Support,.

₹ 13999/- ₹ 6999/-
Buy Now
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions