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

Classify the following solid: Pb - Chemistry

Advertisements
Advertisements

प्रश्न

Classify the following solid:

Pb

पर्याय

  • Molecular solid

  • Ionic solid

  • Covalent solid

  • Metallic solid

MCQ
Advertisements

उत्तर

Metallic solid

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Solid State - Short answer questions (Type- I)

APPEARS IN

एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
पाठ 1 Solid State
Short answer questions (Type- I) | Q 2.1

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.


An ionic compound crystallises in FCC type structure with ‘A’ ions at the centre of each face and ‘B’ ions occupying corners of the cube. The formula of compound is _______.


Distinguish between crystalline solids and amorsphous solids.


Classify the following molecular solids into different types: 

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

Answer the following in one or two sentences.

A solid is hard, brittle and electrically nonconductor. Its melt conducts electricity. What type of solid is it?


Answer the following in brief.

Distinguish between ionic solids and molecular solids


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 ______.


Sodium crystallizes in bcc structure. If the edge length of unit cell is 4.3 × 10-8 cm, the radius of Na atom is ______.


A compound crystallizes in bcc structure. What is unit cell edge length if diameter of its atom is 120 pm?


Graphite and diamond are ____________.


An ionic compound AxBy crystallizes in fcc type crystal structure with B ions at the centre of each face and A ion occupying corners of the cube. the correct formula of AxBy is


Assertion: monoclinic sulphur is an example of a monoclinic crystal system

Reason: for a monoclinic system, a ≠ b ≠ c and α = γ = 90°, β ≠ 90°


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 ______.


Give any three characteristics of ionic crystals.


Classify the following solid.

Brass


Classify the following solid.

Iodine


If NaCl is doped with 10−2 mol percentage of strontium chloride, what is the concentration of cation vacancy?


Lithium crystallizes into body centered cubic structure. What is the radius of lithium if edge length of it's unit cell is 351 pm?


Nature of binding forces present in carbon dioxide molecules in solid state are ____________.


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


What type of interaction hold the molecules together in a polar molecular solid?


MgO has the structure of NaCl. The coordination number of the ions in MgO is ____________.


The hardest substance among the following is:


Solid CH4 is ____________.


The major binding force of diamond, silicon and quartz is ____________.


Iodine molecules are held in the crystals lattice by ______.


Graphite cannot be classified as ______.


How many chloride ions are surrounding sodium ions in sodium chloride crystal?


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


Why are liquids and gases categorised as fluids?


A crystal with a ≠ b ≠ c and α = β = γ = 90° is


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 \[\ce{0.04 \overset{\circ}{A}}\]


Which of the following molecules is non-polar in nature?


Which of the following is not correct?


Graphite is a ______.


Mention the res of the following solid:

CO2


What are intermolecular forces of attraction involved in molecular crystals?


Quartz is which type of crystal?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×