Richa took some blue vitriol and dissolved it into water. Now, she placed a strip of zinc metal into the solution and left it for some time.

After some time, she observed that

I) Zinc strip slowly loses its weight

II) Copper settle at the bottom of the beaker

III) Blue colour of the solution becomes fade

The correct observation (s) is / are

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

I, II and III

I and III

Only III

I and II

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Blue vitriol chemically called as Copper Sulphate Penta hydrate

({CuSO}_{4}) . {5H}_{2} O

. When Zn strip is placed in blue vitriol solution, Zn being more reactive displaces ‘Cu’ from

{CuSO}_{4}

solution. During displacement reaction the metals which displaces looses it’s weight. The metals which is being displaced settles at the bottom of the beaker.

${Zn}_{(s)} + {CuSO}_{4(aq)} \to {ZnSO}_{4(aq)} + {Cu}_{(s)}$ .

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

🔥 Start Your JEE/NEET Prep at Just ₹1999 / month - Limited Offer! Check Now!

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET