Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Calculate the pH of 0.1 M NH3 solution.Option: 1 10Option: 2 11.12

Calculate the pH of 0.1 M NH3 solution.

Option: 1

10


Option: 2

11.12


Option: 3

111.2


Option: 4

22.24


Answers (1)

best_answer

NH3 is a weak base,
\\\mathrm{so,\: pOH_{weak\: base}\: =\:\frac{1}{2}(pK_{b}\: -\: log\: C)}\\\\\mathrm{=\frac{1}{2}(4.76-log0.1)}\\\\\mathrm{=\frac{1}{2}(4.76+1)=2.88}\\\\\mathrm{so,pH_{weak\: base}=14-2.88=11.12}

Therefore, Option(2) is correct

Posted by

chirag

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Mains: Delhi HC dismisses response sheet tampering plea; orders students to do community service
anam-khan

JEE Mains 2026: NTA extends photo verification deadline for non-Aadhaar candidates to January 15
anam-khan

JEE Main 2026 City Slip LIVE: NTA JEE session 1 intimation slip soon on jeemain.nta.nic.in

Latest Question