Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • 15 mL of aqueous solution of in acidic medium completely reacted with 20 mL of 0.03 M aqueous . The molarity

15 mL of aqueous solution of Fe^{2+} in acidic medium completely reacted with 20 mL of 0.03 M aqueous Cr_{2}O_{7}^{2-}. The molarity of the Fe^{2+} solution is _________\times 10^{-2}M. (Round off to the Nearest Integer).
Option: 1 24
Option: 2 -
Option: 3 -
Option: 4 -

Answers (1)

best_answer

15 mL of aqueous solution of Fe^{2+} in acidic medium completely reacted with 20 mL of 0.03 M aqueous Cr_{2}O_{7}^{2-}.

From the above statement we can understand by law of equivalence that

\text { Meq of } \mathrm{Fe}^{2+}=\text { Meq of } \mathrm{Cr}_{2} \mathrm{O}_{7}^{2-}

So,

M1 x V1 x n1 = M2 x V2 x n2

MFe x 15 x 1 = 0.03 x 20 x 6

M = 0.24 M = 24 x 10-2 M

Ans = 24

Posted by

Kuldeep Maurya

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

JAC Chandigarh Counselling 2025: Round 1 seat allotment result out for BTech admissions
anam-khan

JoSAA round 5 seat allotment result 2025 out on josaa.nic.in

Latest Question