Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

<div>what mass of iron is liberated from a solution of potassium iodide &nbsp;when 1 litre of chlorine gas at 10 degree C and 750mm pressure is passed through it ?</div>
Asked by komal | 01 Jul, 2016, 07:04: AM
Expert Answer

Data:

P = 750 mm Hg

1 atm= 760 mm Hg

So 750 mm Hg = 0.9868 atm

V = 1 L

R = 0.082 L atm mol-1 K-1

T = 10°C =283 K

Solution:

We know PV = n RT

0.9868x 1 =n x 0.082 x283

n= 0.042 mol

1 mole of KI reacts with 1 mole of Cl2 to form 1 mole of I2.

So 0.042 mole of KI reacts with 0.042 mole of Cl2 to form 0.042 mole of I2.

Amount of I2 liberated = No. of moles x molar mass = 0.042 x 253.81 = 10.793 g

Answered by Vaibhav Chavan | 01 Jul, 2016, 12:21: PM
CBSE 11-science - Chemistry
Asked by abhiabhishek842006 | 09 Jan, 2023, 08:34: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by Jprmumal29 | 18 Dec, 2022, 09:48: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by mallikarjunasangi28 | 22 Jul, 2022, 07:57: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by kdimple765 | 17 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by alfirozislam900 | 03 Jul, 2022, 01:24: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by alfirozislam900 | 03 Jul, 2022, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by vibhutimandal70 | 26 Jun, 2022, 10:39: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by arpitsingh373667 | 24 Jun, 2022, 05:00: PM
ANSWERED BY EXPERT
CBSE 11-science - Chemistry
Asked by bhagwatkrutika6 | 22 Jun, 2022, 08:09: PM
ANSWERED BY EXPERT
Get Free Sample Papers
×