TN State Board Samacheer Kalvi Online Test for 12th Std - Chemistry - English - Solid State

Question 1 Of 10

The rano of close packed atoms to tetrahedral hole in cubic packing is ………..

1:1 1:2 2:1 1:4

Question 2 Of 10

In a solid atom M occupies ccp lattice and (left( frac { 1 }{ 3 } ight)) of tetrahedral voids are occupied by atom N. Find the formula of solid formed by M and N.

MN M3N MN3 M3N2

Question 3 Of 10

Potassium has a bcc structure with nearest neighbor distance 4.52 A. its atomic weight is 39. Its density will be ………..

915 kg m-3 2142 kg m-3 452 kg m-3 390 kg m-3

Question 4 Of 10

If a is the length of the side of the cube, the distance between the body centered atom and one comer atom in the cube will be ………..

(left( frac { 2 }{ sqrt { 3 } } ight) a) (left( frac { 4 }{ sqrt { 3 } } ight) a) (left( frac { sqrt { 3 } }{ 4 } ight) a) (left( frac { sqrt { 3 } }{ 2 } ight) a)

Question 5 Of 10

The crystal with a metal deficiency defect is ………..

NaCI FeO ZnO KCI

Question 6 Of 10

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

Both assertion and reason are true and reason is the correct explanation of assertion. Both assertion and reason are true but reason is not the correct explanation of assertion. Assertion is true but reason is false. Both assertion and reason are false.

Question 7 Of 10

Graphite and diamond are ………..

Covalent and molecular crystals ionic and covalent both covalent crystals both molecular crystals

Question 8 Of 10

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 ………..

8 2 6 4

Question 9 Of 10

An ionic compound Ax By crystallizes in fee type crystal structure with B ions at the centre of each face and A ion occupying centre of the cube, the correct formula of A B is ………..

AB AB3 A3B A8B6

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 12th Standard Chemistry - English Medium - Solid State

Samacheer Kalvi 12th Chemistry - Solid State - Book Back Questions in English Medium