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Metal efficiency due to cation vacancy

Posted by Kushagra Raj Shukla 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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What are non ideal solutions

Posted by Shubham Bhatt 7 years, 7 months ago

CBSE > Class 12 > Chemistry

1 answers

Rahul Yadav 7 years, 7 months ago

A solution is said to be non ideal solution it should not follow raoult's law in the entire concentration range

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Is lovering of vapor pressure is a colligative property explain with reason ???

Posted by Ekansh Verma 7 years, 7 months ago

CBSE > Class 12 > Chemistry

2 answers

Ekansh Verma 7 years, 7 months ago

Mr.Pavan I agree with you but in chemistry ABC book it is especially written that lowering of vapour pressure is not a colligative property Please explain with very briefly so that I can clear my doubt

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Pawan Kumar 7 years, 7 months ago

Ya . Becoz relative lowering of V.P. equal to the mole faction of solute.means in depends on no. Of particle of solute not on its nature

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How many lattice point are there in one end centered orthorhombic unit.cell

Posted by Arunima Sharma 5 years, 8 months ago

CBSE > Class 12 > Chemistry

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In henry's law which definition we have to write in exam?

Posted by Nicky Tomar 7 years, 7 months ago

CBSE > Class 12 > Chemistry

2 answers

Uday Pratap 7 years, 7 months ago

Zeta is directly proportional to partial pressure

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Manjot Gill 7 years, 7 months ago

The mass of a gas dissolved per unit volume of solvent at constant temperature is directly proportional to the pressure of the gas in equilibrium with solution

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In corundum oxide ion are aarrange in hcp & alminium ion occupy 2/3rd of octahedral void. What is the formula

Posted by Anushka Rashmi 7 years, 7 months ago

CBSE > Class 12 > Chemistry

1 answers

Sakshi Tomar 7 years, 7 months ago

A2B3

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Why NaCl do not show Frenkel defect?

Posted by Riya Saini 7 years, 7 months ago

CBSE > Class 12 > Chemistry

2 answers

Uday Pratap 7 years, 7 months ago

Because size of Na is equal to size of Clothes (approximately) therefore NaCl shows schottky defect.

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Manjot Gill 7 years, 7 months ago

Because Co ordination number of NaCl is high,, so it show schottky defect But in Frenkel defect Co ordination number must be low

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Why do old glass appears milky?

Posted by Shaivya Jhaldiyal 7 years, 7 months ago

CBSE > Class 12 > Chemistry

1 answers

Amrinder Singh 7 years, 7 months ago

It is due to annhealing on heating and then cooling slowly for a no. Of times some amorphous solid becomes crystalline this process is called annhealing because of the old flass objects becomes milky.

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Is there any limitation of nernst equation.

Posted by Harsh Sekhon 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Chlorobenzene is extremely less reactive towards a nucleophilic substitution reaction. Give two reasons for the same.

Posted by Prakash Sehrawat 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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20 ml of 10 normality HCl acid are diluted with distilled water to form 1l of the solution .find the normality of the diluted solution

Posted by Arti Singh 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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How many grams of concentrated nitric acid solution should be used to prepare 250ml of 2.0M HNO3 the concentrated acid is 70% HNO3

Posted by Samiksha Saxenna 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Glass plane fixed to window of or old

Posted by J D 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Give definition of electrode potential.

Posted by Harsh Sekhon 7 years, 7 months ago

CBSE > Class 12 > Chemistry

1 answers

Rohit Suryavanshi 7 years, 7 months ago

The potential difference developed when an electrode of an element is placed in a solution containing ions of that element is called Electrode Potential.

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Arrange according to increase coagulation power 1 Na3Po4 2 NaCl 3 C12H22O11

Posted by Aniket Sharma 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Why do all digestive tablets contain salt?

Posted by Aniket Sharma 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Solubilty of solids in liquids

Posted by Abhay Yadav 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Give the relationship between density and edge length of a cubic crystal

Posted by Harsh Sharma 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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How metal are reactive

Posted by Saurabh Kumar 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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Solubility decrease with

Posted by Jwala Prasad 7 years, 7 months ago

CBSE > Class 12 > Chemistry

1 answers

Prashant Gautam.... 7 years, 7 months ago

Adding impurity.or decreases in temperature

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All important formula of chemistry

Posted by Ankit Kaswan 7 years, 7 months ago

CBSE > Class 12 > Chemistry

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What is Reverse osmosis?

Posted by Tiyas Chakraborty 7 years, 7 months ago

CBSE > Class 12 > Chemistry

3 answers

Sakshi Kashyap 7 years, 7 months ago

When a pressure more than osmotic pressure is applied the direction will reversed

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Navi Toor 7 years, 7 months ago

When we apply extra pressure on the solution side just to reverse the flow i.e frm higher concentration to lower concentration through semi permeable membrane

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Rohan Khokhar 7 years, 7 months ago

it is movement of molecules from high to low concentration.

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Product of electrolysi

Posted by Shrashti Gupta 7 years, 7 months ago

CBSE > Class 12 > Chemistry