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Imperfections In Crystals Free Doubts and Solutions

CBSE - XII Science - Chemistry - The Solid State

what metal excess defects? explain with example  

Asked by Avadhut Katkar 23rd August 2018, 6:48 PM
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CBSE - XII Science - Chemistry - The Solid State

what is domain in magnatic properties of solids ?

Asked by gargimoitreyee 12th March 2018, 11:54 PM
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CBSE - XII Science - Chemistry - The Solid State

What is the colour of lithium chloride crystal in excess of lithium

Asked by studentrifath 16th February 2018, 12:25 PM
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CBSE - XII Science - Chemistry - The Solid State

How is it possible that AgBr shows both, Frenkel and Schottky defect?

Asked by Sudesh 16th September 2016, 9:41 PM
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CBSE - XII Science - Chemistry - The Solid State

With example explain F-center.

Asked by Topperlearning User 17th June 2016, 10:43 AM
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CBSE - XII Science - Chemistry - The Solid State

Magnetite is ferrimagnetic on heating what changes are expected.

Asked by Topperlearning User 17th June 2016, 10:30 AM
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CBSE - XII Science - Chemistry - The Solid State

Explain Non-stoichiometric defects in solids.

Asked by Topperlearning User 17th June 2016, 10:28 AM
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CBSE - XII Science - Chemistry - The Solid State

is there any d different way of solving questions related to tetrahedral voids and octahedral voids and fcc bcz it confuses me a lot explain  plzzz  explain with example

Asked by Farooq Ahmad Shah 17th January 2016, 6:57 PM
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CBSE - XII Science - Chemistry - The Solid State

Why does Fe3O4 shows ferrimagnetic nature while FeO and Fe2O3 show antiferromagnetic nature...??

Asked by vaish.agrawal 21st June 2015, 1:22 AM
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CBSE - XII Science - Chemistry - The Solid State

Why AgBr shows both Schottky and Frenkel defects??

Asked by vaish.agrawal 11th June 2015, 11:56 PM
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CBSE - XII Science - Chemistry - The Solid State

define pyzoelectricity 

Asked by Sandeep Yadav 8th February 2015, 2:45 PM
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CBSE - XII Science - Chemistry - The Solid State

Why are solids containing F centers paramagnetic?

Asked by Preethu S 14th October 2014, 8:42 PM
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CBSE - XII Science - Chemistry - The Solid State

Why is FeO(s) not formed in the stchiometric composition?

Asked by Preethu S 14th October 2014, 8:38 PM
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CBSE - XII Science - Chemistry - The Solid State

What is metal excess defect and why does it occurs ?

Asked by NAKSHATRA 4th August 2014, 6:29 PM
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CBSE - XII Science - Chemistry - The Solid State

What is metal deficiency ?

Asked by NAKSHATRA 3rd August 2014, 12:07 PM
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CBSE - XII Science - Chemistry - The Solid State

What is a valence band and a conduction band ?

Asked by NAKSHATRA 3rd August 2014, 12:05 PM
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CBSE - XII Science - Chemistry - The Solid State

What is a semiconductor? Describe the two main types of semiconductors and explain mechanisms for their conduction.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Explain each of the following with a suitable example: (i) Paramagnetism (ii) Piezoelectric effect (iii) Frenkel defect in crystals

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

(a) What type of semiconductor is obtained when silicon is doped with boron? (b) What type of magnetism is shown in the following alignment of magnetic moments? (c) What type of point defect is produced when AgCl is doped with CdCl2

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Define semiconductors.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Why is LiCl in excess of Li pink in color.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

What is the difference between Schottky and Frenkel defects.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Compare line defect and dislocation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Explain vacancy defect in solids.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Why do solids show magnetic property? Classify these properties.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Compare p-type and n-type conductor.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

In term of band theory what is the difference between conductor and insulator.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Explain the following with suitable examples.(a)12-16 and 13-15 group compounds, (b) Ferromagmetic.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Name two point defects and explain them.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Explain dislocation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

Which of the following Frenkel defects or Schottky defects decreases the density of the solid.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

What are crystal defects.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XII Science - Chemistry - The Solid State

on heating crystals of KClin potassium vapours ,the crystals start exhibiting a violet colour ,why?

Asked by vatsala srivastava srivastava 19th May 2014, 12:35 PM
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CBSE - XII Science - Chemistry - The Solid State

a silver halide forms creystals similar to those of NaCl.under what conditions these change to CsCl

crystal

Asked by vatsala srivastava srivastava 19th May 2014, 12:26 PM
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CBSE - XII Science - Chemistry - The Solid State

what happens when ferrimagnetic Fe3O4 is heated at 850K and why ?

Asked by vatsala srivastava srivastava 19th May 2014, 11:48 AM
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CBSE - XII Science - Chemistry - The Solid State

What is meant by 'doping' in a semiconductor?

Asked by Topperlearning User 12th December 2013, 9:50 AM
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CBSE - XII Science - Chemistry - The Solid State

Schottky Defect

Asked by 27th April 2008, 8:51 PM
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