Chemistry questions
29404 published questions with worked solutions.
- The number of atoms contained in a fcc unit cell of a monoatomic substance isNot in JEE Main or NEET syllabus
- At the limiting value of radius ratio r^+/r^-,Not in JEE Main or NEET syllabus
- The NaCl structure can be converted into CsCl structureNot in JEE Main or NEET syllabus
- If AgI crystallises in zinc blende structure with I^- ions at lattice points. What fraction of tetrahedral voids is occupied by...Not in JEE Main or NEET syllabus
- In which pair most efficient packing is present?Not in JEE Main or NEET syllabus
- In which of the following packing, 74% space is occupied by the atoms with ABCABC packing of atoms?Not in JEE Main or NEET syllabus
- If the number of close packed sphere be N, then the number of octahedral and tetrahedral voids generated respectively are A and B...Not in JEE Main or NEET syllabus
- In an antifluorite structure, cations occupyNot in JEE Main or NEET syllabus
- The number of tetrahedral and octahedral voids in a ccp array of 100 atoms respectively, areNot in JEE Main or NEET syllabus
- The number of octahedral void(s) per atom present in a cubic close packed structure isNot in JEE Main or NEET syllabus
- Total number of voids in 0.5 mole of a compound forming hexagonal closed packed structure areNot in JEE Main or NEET syllabus
- Which set of characteristics of ZnS crystal is correct ?Not in JEE Main or NEET syllabus
- In which of the following crystals alternate tetrahedral voids are occupied?Not in JEE Main or NEET syllabus
- Match the following Column I (Crystal structure) | Column II (Arrangement) A. Rock salt | p. Fraction of voids occupied = 1/3 B....Not in JEE Main or NEET syllabus
- The cubic unit cell of a metal (molar mass = 63.55 g mol^ -1 ) has an edge length of 362pm. Its density is 8.92 g cm^ -3 . The...Not in JEE Main or NEET syllabus
- Xenon crystallises in the fcc lattice and the edge of the unit cell is 620pm. The nearest neighbouring distance of Xe isNot in JEE Main or NEET syllabus
- How many unit cells are present in a cube shaped ideal crystal of NaCl of mass 1.00 g ?Not in JEE Main or NEET syllabus
- The pyknometric density of sodium chloride crystal is 2.165 10^3 kg m^ -3 , while its X-rays density is 2.178 10^3 kg m^ -3 . The...Not in JEE Main or NEET syllabus
- The molar volume of KCl and NaCl are 37.46 mL. and 27.94 mL, respectively. The ratio of the unit cube edges of the crystals isNot in JEE Main or NEET syllabus
- Nickel crystallises in a fcc unit cell with a cell edge length of 0.3524 nm. Calculate the radius of the nickel atom.Not in JEE Main or NEET syllabus