SATHEE: D-And F-Block Elements Ques 482

D-And F-Block Elements Ques 482

Question: A red solid is insoluble in water. However it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is

Options:

A) $H g I_{2}$

B) $H g O$

C) $P b_{3} O_{4}$

D) ${(N H_{4})}_{2} C r_{2} O_{7}$

Show Answer

Answer:

Correct Answer: A

Solution:

When KI is added to mercuric iodide it disssolve in it and form complex. $\underset{\begin{matrix} r e d,, s o l i d \\ (i n s o l u b l e) \end{matrix}}{H g I_{2}}, + K I \to \underset{(s o l u b l e)}{K_{2} [H g I_{4}]},$ On heating $H g I_{2}$ decomposes as $H g I_{2} \to H g + \underset{(v i o l e t v a p o u r s)}{I_{2}},$

पिछला

अगला

गोपनीयता नीति

द्वारा संचालित Prutor@IITK

sathee@iitk.ac.in

SATHEE का मीडिया कवरेज

खेल स्टोर

ऐप स्टोर

Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on "I understand".

D-And F-Block Elements Ques 482

Question: A red solid is insoluble in water. However it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is

Options:

Answer:

Solution:

इंजीनियरिंग की तैयारी

चिकित्सा तैयारी

एनसीईआरटी पुस्तकें और समाधान

महत्वपूर्ण संसाधन

अन्य संसाधन

पाठ्यक्रम

परीक्षा मंच

नमूना मॉक टेस्ट

सदस्यता

एनसीईआरटी व्यायाम वीडियो समाधान

Menu