मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Classify the following solid: Pb

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प्रश्न

Classify the following solid:

Pb

पर्याय

  • Molecular solid

  • Ionic solid

  • Covalent solid

  • Metallic solid

MCQ
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उत्तर

Metallic solid

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पाठ 1: Solid State - Short answer questions (Type- I)

संबंधित प्रश्‍न

The major binding force in diamond is_______________ .

(a) Covalent bond                                                  

(b)  Ionic bond

(c) Metallic bond                                                   

(d)  Co-ordinate covalent bond


Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?


Ionic solids conduct electricity in molten state but not in solid state. Explain


What type of solids are electrical conductors, malleable and ductile?


Explain the basis of similarities between metallic and ionic crystals.


Copper crystallises into a fcc lattice with edge length 3.61 × 10−8 cm. Show that the calculated density is in agreement with its measured value of 8.92 g cm−3.


Distinguish between crystalline solids and amorsphous solids.


Classify the following molecular solids into different types: 

  1. HCl
  2. CO2
  3. Solid ice
  4. SO2

Define Anisotropy.


Account for the following : 

o-nitrophenol is more steam volatile than p-nitrophenol.  


A compound is made up of two elements X and Y and crystallizes in bcc structure. Atoms of X are present at the corners of the cube. Atoms of Y are present at the centre of the cube. The formula of the compound is ______.


Graphite and diamond are ____________.


In calcium fluoride, having the flurite structure the coordination number of Ca2+ ion and F Ion are ____________.


The ionic radii of A+ and B are 0.98 × 10−10 m and 1.81 × 10−10 m. The coordination number of each ion in AB is ______.


Classify the following solid.

Iodine


Fullerene is an example of ____________.


Which among the following is an example of network solid?


Solid X is a very hard electrical insulator in solid as well as in molten state. It melts at extremely high temperature. Solid X is a ____________.


Order of increasing melting points among H2O(s), C(s), CS2 and Sn is ____________.


Ionization enthalpy is lowest in ____________.


An AB2 type structure is found in ____________.


Among solids, the highest melting point is exhibited by ____________.


In graphite electrons are ____________.


Which one of the following forms a molecular solid when solidified?


Which of the following is not the characteristic of ionic solids?


Which of the following is not true about the ionic solids?


Who introduced the term covalent bond?


Which of the following exists as covalent crystals in the solid state?


Calculate the angle at which first order reflection will occurs in an X-ray spectrometer when x ~ rays of wavelength \[\ce{1.54 \overset{\circ}{A}}\] are diffracted by the atoms of a crystal given that inter planer distance is \[\ce{0.04 \overset{\circ}{A}}\]


Among the following which is the best description of water in the solid phase?


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