Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

(a) Write two poisonous gases prepared from chlorine gas.

(b) Why does $Cu^{2+}$ solution give blue colour on reaction with ammonia ?

Answers (1)

$Phosphene\left [ COCl)_2 \right ],\: \: Tear\: gas[CCl_3NO_2]$

$CuSO_4(aq)+NH_4OH(aq)\rightarrow \left [ Cu(NH_3)_4 \right ]SO_4(aq)+4H_2O.$

(blue)

OR

$Cu^{2+}(aq)+4NH_3(aq)\rightarrow \left [ Cu(NH_3)_4 \right ]^{2+}(aq)$

(blue)

Posted by

Sumit Saini

View full answer

Crack CUET with india's "Best Teachers"

HD Video Lectures
Unlimited Mock Tests
Faculty Support

cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE practical exams 2026 will be cancelled over non-compliance with guidelines, says board

Latest Question