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What is Zeta potential, Lyophilic colloid.

Posted by Kamal Singh Rawat 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Anuj Yadav 7 years, 11 months ago

Zeta potential is the potential difference between double layers of a colloidal solution Lyophilic colloid - (1) attraction between dispersed phase and medium (2) reversible and stable

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IUPAC name of DDT?

Posted by Ravi Ravi 8 years ago

CBSE > Class 12 > Chemistry

4 answers

Tanisha Brar 7 years, 11 months ago

1.1.1trichloro-2.2-bis(4-chlorophenyl)ethane

Luksh Kumar 8 years ago

Not ethylene. Trichloroethane

Luksh Kumar 8 years ago

Luksh Kumar 8 years ago

2,2 dichlorophenyl 1,1,1 trichloroethylene.

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Why phenol is more acidic than alcohol?

Posted by Ravi Ravi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Neha Garg 8 years ago

Because the phenoxide ion formed stabilised by resonance while there is no such resonance in alcoxide ion. So, tendency to donate H+ ion is more in phenol than alcohol

3Thank You

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Alcohol are less acidic than water why?

Posted by Ravi Ravi 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

In H2O H—O—H and CH3OH CH3—O—H Here due to methyl group which is more electron donated group than H. The CH3OH is more stable than H2O. So H2O is easily lose H+ ion than CH3OH.

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What is elements

Posted by Mohd Saklain 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

Which is made by atoms

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Which is more basic ethylamine or ethylalcohol and why?

Posted by Maitri Rautela 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Sachin Singh Jagawat 8 years ago

also in oxygen there are 2 lone pair for hydrogen bonding , ehile in nitrogen there is only one lone pair for hydrogen bonding

Lalit Kumawat 8 years ago

Ethyl alcohol because in alcohol there is more hydrogen bonding

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Why second ionisation enthalphy of alkaline earth metal are lower than alkali metal

Posted by Shubham Basera 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Why does methylamine has lower boiling point than methanol ?

Posted by Agam Preet 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Sachin Singh Jagawat 8 years ago

it is so because , as we know that hydrogen bonding follows the order F>O>N . therefore mere attraction in methanol , hence more (higher) boiling point

3Thank You

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What should i do to clear my exams???damnn!!! What should i do..help!!guyzz

Posted by Ishwarjot Singh Dhillon 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Formula of sucrose

Posted by Nikhil Goyal 8 years ago

CBSE > Class 12 > Chemistry

3 answers

Anuj Yadav 7 years, 11 months ago

C12 H22 O11

Ravi Ravi 8 years ago

C12H22O11

P Cc 8 years ago

C6H12O6

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Miscells

Posted by Dheeraj Kumar 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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arrange the following in order of their increasing reactivity towards HCN- CH3CHO,CH3COCH3,HCHO,C2H5COCH3

Posted by Manish Bisht 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

C2H5COCH3<CH3COCH3<CH3CHO<HCHO. Due to smaller size of HCHO, HCN is easily attack on it.

4Thank You

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Sec IUPAC me khaise use hota hai

Posted by Deepak Varshney 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Samarth Sharma 8 years ago

Book https://m.youtube.com/watch?v=8g5xcgm-7MU ? IUPAC Naming Part 1 Organic Chemistry for XI | XII | JEE-Main | JEE ...

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Explain linkage isomerism with example

Posted by Kamal Singh Rawat 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Samarth Sharma 8 years ago

https://socratic.org/questions/what-are-linkage-isomers-give-me-an-example What are linkage isomers? Give me an example + Example - Socratic

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Why aniline does not undergo friedel crafts reaction

Posted by Nitish Kumar 8 years ago

CBSE > Class 12 > Chemistry

2 answers

Anuj Yadav 7 years, 11 months ago

Because aniline is a base and anhydrous AlCl3 is Lewis acid so here they give neutralisation rxn.

Samarth Sharma 8 years ago

Ring is less reactive

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What is band theory

Posted by Shubham Thakur 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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What is particular rate constant

Posted by Ranu Tiwari 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Why No2 is paramagnetic and N204 is diamagnetic

Posted by Kamal Singh Rawat 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Aadil Gouri 8 years ago

because no2 has unpaired electrons and n204 has paired electrons

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Limiting molar conductivity of mg+2 and cl- ions are 106.0s cm2 mol1- and 76.3s cm2 mol1- .calculate the limiting molar conductivity of mgcl2

Posted by Parul Jangid 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

Add both limiting conductivity of Mg^+2 and Cl^-1. You get answer

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1)etanol to propan-2-ol,2)phenol to acetophenone,3)phenol to picric acid 4)2-methyl propene from2-methyl propanol 5)propene to propan-2-ol

Posted by Sakshi Kumari 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

Ans1- add CH3-MgBr in etanol Then react with water and form propan-2-ol. 2- react phenol with Zinc dust , benzene is form Then react with CH3Cl , toluene is form Then react in presence of CrO3, benzaldehyde is form Now again react with CH3Cl and get acetophenone.

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Disposable call Bala

Posted by Sakshi Kumari 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Hi hi hi hi

Posted by Sakshi Kumari 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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chapter 10 in ncert book example 10.8 please jldi answer bhejy

Posted by Aleesha Khanam 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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Give reason why a solid Phosphorus pentachloride exhibits some ionic character

Posted by Nitish Kumar 8 years ago

CBSE > Class 12 > Chemistry

0 answers

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What is the reaction for Hell- volhard- zelinsky reaction.

Posted by Ankita Kumari 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Deepak Singh Baghel 8 years ago

Reaction of acetic acid with excess of chlorine to form mono di tri chloroacetic acid is formed

3Thank You

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Define first oder reaction

Posted by Gurleen Warring 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

The sum of power of concentration of reactant is equal to one. It's unit is sec^-1

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Why dissociation enthalpy of fluorine is less compared to all halogen even they are more electronegitive and have strong bond

Posted by Dolsi Garg 8 years ago

CBSE > Class 12 > Chemistry

1 answers

Kamal Singh Rawat 8 years ago

Due to small size they force between the nucleus and electron is high. So they cannot easily lose electron. Hence their dissociation enthalpy is less.