0

ADNAN MUHAMMED

Grade 12,

Courses New

Which of the following statement(s) is (are) correct when a mixture of NaCI and K base 2Cr base 2O base 7 is gently warmed with conc H base 2SO base 4? a. A deep red vapour is evolved b. The vapours when passed into NaOH solution gives a yellow solution of Na base 2CrO base 4 c. Chlorine gas is evolved d. Chromyl chloride is formed

Which of the following statement(s) is (are) correct when a mixture of NaCI and K base 2Cr base 2O base 7 is gently warmed with conc H base 2SO base 4?
a. A deep red vapour is evolved
b. The vapours when passed into NaOH solution gives a yellow solution of Na base 2CrO base 4
c. Chlorine gas is evolved
d. Chromyl chloride is formed

Grade:11

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
9 years ago

(a,b,c) The reactions are

4NaCI + K base 2Cr base 2O base 7 +6H base 2SO base 4

?2CrO base 2CI base 2 + 4NaHSO base 4 +2KHSO base 4 + 3H base 2O

(Red vapours)

CrO base 2CI base 2 +4NaOH ? Na base 2CrO base 4 +2NaCI + 2H base 2O

Chromyl yellow

Chloride solution

Think You Can Provide A Better Answer ?

Other Related Questions on Inorganic Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More