Recent questions in States of Matter - Solid State - Clay6.com, a Free resource for your JEE, AIPMT and Board Exam preparation

Give the Relationship between radius of constituent particle (r) and edge lengt

asked Jun 2, 2017 by pady_1

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What are the Types of voids:

asked Jun 2, 2017 by pady_1

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<div>Explain the Number of particles at different lattice positions</div>

asked Jun 2, 2017 by pady_1

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<span style="font-family: Calibri, sans-serif; font-size: 14.6667px; line-height: 16.8667px;">Give the properties of crystalline solids ?

asked Jun 2, 2017 by pady_1

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<span style="font-size:11.0pt;line-height:115%; font-family:"Calibri","sans-serif&quo

asked May 31, 2017 by pady_1

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Define Point defect and give its types

asked May 31, 2017 by pady_1

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What is semiconductors? Give its type

asked May 31, 2017 by pady_1

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Define Point defect and give its types

asked May 31, 2017 by pady_1

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What is packing fraction and coordination number ?

asked May 31, 2017 by pady_1

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What are the three types of Centred Unit Cell.

asked May 22, 2017 by pady_1

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What is Crystal Lattice and give its Characteristics.

asked May 22, 2017 by pady_1

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Which of the following statement is not true about amorphous solids ?

asked Apr 28, 2017 by meena.p

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Iodine molecules are held in the crystals lattice by _________

asked Apr 28, 2017 by meena.p

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Which of the following is an amorphous solid ?

asked Apr 28, 2017 by meena.p

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The sharp melting point of crystalline solids is due to ________

asked Apr 28, 2017 by meena.p

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Which of the following is not a characteristic of a crystalline solid ?

asked Apr 28, 2017 by meena.p

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Which of the following is true about the value of refractive index of quartz glass ?

asked Apr 28, 2017 by meena.p

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Which of the following condition favours the existence of a substance in the solid state ?

asked Apr 28, 2017 by meena.p

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Earth receives enormous amount of energy from sunlight. The problem of shortage of power can be solved if we could convert solar energy into electricity. A device which generates electrical power from sunlight is called solar cell or photovoltaic cell. Solar cells are made up of silicon doped with arsenic and silicon doped with boron. Answer the following questions: (i) When silicon is doped with arsenic, what type of semiconductor is obtained? Explain. (ii) What type of semiconductor is obtained by doping silicon with boron? (iii) Give any two applications (other than solar cells) of semiconductors.

asked Nov 28, 2016 by meena.p

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Analysis shows that nickel oxide has the formula $Ni0_{98}O_{1.00}$. What fractions of nickel exist as $Ni^{2+}$ and $Ni_{3+}$ ions?

asked Nov 23, 2016 by meena.p

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Give reason (a) window glass of old building look milky. (b) window glass of old building is thick at bottom (c) $Cacl_2$ will introduced schotlky defect if added to $Agcl$ crystal

asked Nov 23, 2016 by meena.p

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How is ferromagnetism different from paramagnetism

asked Nov 21, 2016 by meena.p

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Why does the electrical conductivity of semiconductor increase in temperature ?

asked Nov 21, 2016 by meena.p

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Gold (atomic mass $=197\;v$ atomic radius $=0.144\;nm$) crystallizers in a face centered unit cell . Determined the density of gold $[N_A=6.022 \times 10^{23}mol^{-1}]$

asked Nov 14, 2016 by meena.p

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Why is an increase in temperature observed on mixing chloroform with acetone ?

asked Nov 9, 2016 by meena.p

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Ionic solid conduct in the molten state but not in the solid state . Explain

asked Nov 9, 2016 by meena.p

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Copper crystallizer into an fcc lattice with edge length $3.61 \times 10^{-8}\;cm$ Show that the calculated density is in agreement with its measured value of $8.92 \;g\;cm^{-3}$

asked Nov 4, 2016 by meena.p

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Define the following terms in relation to crystalline solids . (i) Unit cell (ii) Coordination number . Give one example in each case

asked Nov 2, 2016 by meena.p

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If the radius of the octahedral void is r and the radius of the atoms in the close packing is R, derive relationship between r and R.

asked Oct 26, 2016 by meena.p

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What type of defect can arises when a solid is heated ? Which physical properly is affected by it and in what way ?

asked Oct 26, 2016 by meena.p

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Aluminium crystallizes in a cubic - packed structure . Radius of the atom in the metal is $125\;pm$ (i) What is the length of the side of the unit cell ? (ii) How many unit cells are there in $1\;cm^3$ of aluminium ?

asked Oct 25, 2016 by meena.p

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A compound is formed by two elements, M and N . The element N forms CCP and atoms of M occupy $\large\frac{1}{3}$ rd of tetrahedral voids . What is the formula of the compound?

asked Oct 21, 2016 by meena.p

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Sodium crystallizes in a bcc unit cell , calculate the appropriate number of unit cell in $9.2\;g$ of sodium (Atomic mass of Na=23 u)

asked Oct 19, 2016 by meena.p

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(a) Calculate the charge in coulombs required for oxidation for 2 moles of water to oxygen. [Given $IF= 96,500\;c\;mol^{-1}$] (b) Zinc / Silver oxide cell is used is hearing aids and electric watches . The following reaction occur. $Zn(S) \to Z_n^{2+} (aq)+2e^{-} E^0_{Zn^{2+}/Zn}=-0.76\;V \\ Ag_20+H_2O+2e^{-} \to 2Ag +2 OH - E^0_{Ag^{+}/Ag}=0.344\;V$ Calculate (i) Standard potential of the cell (ii) Standard Gibbs energy .

asked Oct 19, 2016 by meena.p

1 answer

Why Nitrogen is a gas whereas phosphorous is a solid ?

asked Oct 13, 2016 by meena.p

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Heating of rubber with sulphur is known as :

asked Dec 17, 2015 by meena.p

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What is formed when a primary alcohol undergoes catalytic dehydrogenation ?

asked Nov 24, 2015 by meena.p

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Ethyl chloride is concerted into diethyl ether by

asked Nov 24, 2015 by meena.p

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The nitro group in nitrobenzene is

asked Nov 23, 2015 by meena.p

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An aqueous of methanol in water has vapor pressure :

asked Sep 15, 2015 by meena.p

2 answers

Number of the parts by weight of solute in one million parts by weight of the solution is called as

asked Sep 9, 2015 by meena.p

1 answer

In $Nacl$ crystal each b$cl^{-}$ ion is surrounded by

asked Sep 9, 2015 by meena.p

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In an antiflorite structure , cations occupy

asked Sep 9, 2015 by meena.p

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Total volume of atoms present in face - centered cubic unit cell of metal is (r is atomic radius)

asked Sep 9, 2015 by meena.p

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In a face-centered cubic lattice , a unit cell is shared equally by how many units cells?

asked Sep 9, 2015 by meena.p

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The appearance of colour in solid alkali metal halides is generally due to

asked Sep 9, 2015 by meena.p

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The fraction of total volume occupied by the atoms present in a simple cube is

asked Sep 9, 2015 by meena.p

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The crystal with metal deficiency defect is

asked Sep 8, 2015 by meena.p

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The coordination number of $Al$ in the crystalline state of $Alcl_3$ is

asked Sep 8, 2015 by meena.p

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Number of unit cells in $4\;g$ of $\times $ (atomic mass =40) Which crystallize in bcc pattern is $(N_A= Avogadro \; number)$

asked Sep 8, 2015 by meena.p

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