Chemistry

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P
Pallavi Pathak

Contributor-Level 10

In simple words, the study of relationship between electrical energy and chemical reactions is called the Electrochemistry. The concept comprises how chemical reactions can create electrical energy and how electrical energy can generate chemical changes.

New answer posted

3 months ago

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A
alok kumar singh

Contributor-Level 10

Element/ion

DegH (kJ mol–1)

O

–141

Na

–53

Cl

–349

O–

+780

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A
alok kumar singh

Contributor-Level 10

Haemoglobin is a positive colloid. Hence greater is the charge of anion, more effective will be the coagulation of haemoglobin.

Therefore,

Correct order of coagulating power is

 

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A
alok kumar singh

Contributor-Level 10

Electrophoresis : The migration of colloidal particles under the influence of an electric field is known as electrophoresis.

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A
alok kumar singh

Contributor-Level 10

Element

V

Ti

Mn

Sc

DaH/kJ mol–1

515

473

281

326

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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

 

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alok kumar singh

Contributor-Level 10

For a first order reaction.

   = 3*10-3 S-1

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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

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S
Swayam Gupta

Contributor-Level 8

To study Hydrocarbons for NEET, you can use the Hydrocarbons Class 11th NCERT solutions PDF.

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alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

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