CBSE > Class 12 > Chemistry | CBSE Board | Homework Help

π=iCRT so i = 2.47 ; R = 0.0821 ; T= 273 +27 =300K ; π= 0.75 C= π÷iRT = 0.012 mol /litre C=no. Of solute / volume in litre ; no. Of solute = C ×volume of solution = 0.0308 Mass = no of solute × molecular mass of CaCl2 = 3.44gm

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Plz name SnCl2??

Posted by Armaan Gur_Jar 6 years, 1 month ago

CBSE > Class 12 > Chemistry

4 answers

Shubham Ganvir 6 years, 1 month ago

Listen SnCl2 is stannous chloride which is stable than SnCl4 i.e stannic chloride , due to inert pair effect

2Thank You

Subham Sahu 6 years, 1 month ago

Tin(ll) chloride.

1Thank You

Riya Chaudhary 6 years, 1 month ago

Stannous chloride not Strontium chloride

2Thank You

Keshav Narayan 6 years, 1 month ago

strontium chloride

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ANSWER

What are antifreeze solution

Posted by Ad Aj 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Sarthak Sharma 6 years, 1 month ago

Those solutions which decrease the freezing point of water are known as antifreeze solution.

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Cellulose is not digestible by human beings due to absence of cellulose hydrolysing enzyme called _______

Posted by Preet Dhillon 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Ritss ?? 6 years, 1 month ago

Cellullase

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Are primary batteries, fuel cells, corrosion, and secondary batteries topics removed from ELECTROCHEMISTRY CHAPTER in BOARD SYLLABUS?

Posted by Gaurav Rawat 6 years, 1 month ago

CBSE > Class 12 > Chemistry

3 answers

Asna Khan 6 years, 1 month ago

Nope

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Sarthak Sharma 6 years, 1 month ago

They will come in exam

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Sapna Rana 6 years, 1 month ago

No they may come

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Why increase in pressure decrease chemisorption but increase physisorption ?

Posted by Anubhuti Khatri 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Anisha Jha 6 years, 1 month ago

Because pressure is directly proportional to mole fraction and it is a physical factor......

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Questions on Hardy Schultz rule

Posted by Sunil Awasthi 6 years, 1 month ago

CBSE > Class 12 > Chemistry

2 answers

Meghna Shrivastav? 6 years, 1 month ago

Sorry mujhe laga law hai .

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Meghna Shrivastav? 6 years, 1 month ago

Greater the valency of coagulating ion,greater the coagulating power

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Can anyone tell me, which topics and chapters are deleted from 2020 boards syllabus please.

Posted by Mehul Kumar 6 years, 1 month ago

CBSE > Class 12 > Chemistry

2 answers

Gurmanjeet Khera 6 years, 1 month ago

Nitrogen family from p-block elements

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Pushkar Gupta 6 years, 1 month ago

Solid State

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ANSWER

What turbidity refers to ?????

Posted by Armaan Gur_Jar 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Ritss ?? 6 years, 1 month ago

Cloudiness

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ANSWER

Dry cells and batteries in Syllabus or not?

Posted by Shreya .. 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Rajat Barwar 6 years, 1 month ago

Dry cells are there but not batteries.

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What is van't Hoff factor

Posted by Raunak Jaiswal 6 years, 1 month ago

CBSE > Class 12 > Chemistry

1 answers

Yogita Ingle 6 years, 1 month ago

The relationship between the actual number of moles of solute added to form a solution and the apparent number as determined by colligative properties is called the van't Hoff factor (i).

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Which topics are removed from chapter 2 ELECTROCHEMISTRY from board syllabus?

Posted by Gaurav Rawat 6 years, 1 month ago

CBSE > Class 12 > Chemistry