Chemistry questions
29404 published questions with worked solutions.
- Which type of solid crystals will conduct heat and electricity? [RPET 2000]Not in JEE Main or NEET syllabus
- A compound formed by elements X and Y crystallizes in the cubic structure, where X is at the corners of the cube and Y is at the...Not in JEE Main or NEET syllabus
- Which of the following is the most unsymmetrical crystal system?Not in JEE Main or NEET syllabus
- An element crystallizes in a structure having fcc unit cell of an edge 100 pm. Calculate the density if 150 g of the element...Not in JEE Main or NEET syllabus
- An ionic compound AB has ZnS type of structure, if the radius A^+ is 22.5 pm, then the ideal radius of B^- is ________Not in JEE Main or NEET syllabus
- Which metal among the following has the highest packing efficiency? [MH CET 2015]Not in JEE Main or NEET syllabus
- When heated above 916 ℃, iron changes its crystal structure from bcc to ccp structure without any change in the radius of atom....Not in JEE Main or NEET syllabus
- Lattice structure of group 1 element isNot in JEE Main or NEET syllabus
- How many three dimensional lattices are possible?Not in JEE Main or NEET syllabus
- When constituent particles are present only on the corner of a unit cell, it is calledNot in JEE Main or NEET syllabus
- Cinnabar is an example of A... crystal system. Here, A refers toNot in JEE Main or NEET syllabus
- Consider the following statements, I. Possible variations for a cubic crystal system is primitive only. II. The axial angles of a...Not in JEE Main or NEET syllabus
- The crystal system of a compound with unit cell dimension a = 0.387, b = 0.387 and c = 0.504 nm and α = β = 90° and γ = 120° isNot in JEE Main or NEET syllabus
- Which of the following crystal will exhibit the relation a = b = c and α = β = γ = 90° ?Not in JEE Main or NEET syllabus
- Match the following. Column I (Cell parameters) | Column II (Crystal type) A. a=b=c=90° | p. Hexagonal B. (blank in source) | q....Not in JEE Main or NEET syllabus
- How much part of any constituent particle actually belongs to a particular unit cell?Not in JEE Main or NEET syllabus
- Contribution of each atom per unit cell at face centre in a fcc unit cell isNot in JEE Main or NEET syllabus
- Sodium metal crystallises in bcc lattice with edge length of 4.29Å. The radius of sodium atom isNot in JEE Main or NEET syllabus
- Na and Mg crystallise in bcc and fcc crystals respectively, then the number of atoms of Na and Mg present in the unit cell of...Not in JEE Main or NEET syllabus
- If a is the length of the side of a cube, the distance between the body centred atom and one corner atom in the cube will beNot in JEE Main or NEET syllabus