Solid State Chemistry

ABC26PH0813 · In a diffraction experiment with X-rays of wavelength 1.54 Å, a diffraction line corresponding to 2 theta = 20.8° is observed. The… · 2001-2022 self-practice

ABC26PH0814 · The potential energy of interaction between two ions in an ionic compound is given by U = 1389.4 [(Z1Z2)/(r/Å)] kJ mol-1. Assuming that… · 2001-2022 self-practice

ABC26PH0529 · For a face centered cubic lattice, the Miller indices for the first Bragg's peak (smallest Bragg angle) are · 2005-2021

ABC26PH0815 · At what angle(s) of incidence, X-rays of wavelength 5.0 Å will produce diffracted beam from the (110) planes in a simple cubic lattice with… · 2001-2022

ABC26PH0530 · A crystal has the lattice parameters a ≠ b ≠ c and alpha = beta = gamma = 90°. The crystal system is · 2005-2021

ABC26PH0531 · A metal crystallizes in the face – centered cubic lattice parameter of 4.20 Å. The shortest atom to atom contact distance in the lattice is · 2005-2021

ABC26PH0817 · A first order reflection from (111) plane is observed for LiX with 2 theta = 24.6° (X-ray of wavelength 1.54 Å). Assuming LiX to be a cubic… · 2001-2022 self-practice

ABC26PH0532 · Molybdenum crystallizes in a bcc structure with unit cell dimensions of 0.314 nm. considering the atomic mass of molybdenum to be 96, its… · 2005-2021

ABC26PH0533 · Which one of the following statements is INCORRECT? · 2005-2021

ABC26PH0818 · A hypothetical element (atomic weight = 300) crystallizes in a simple cubic lattice. For this crystal, the first order X-ray diffraction… · 2001-2022 self-practice

ABC26PH0534 · The distance between two successive (110) planes in a simple cubic lattice with lattice parameter 'a' is · 2005-2021

ABC26PH0819 · The lattice energy of LiF calculated from Born-Lande equation -1000 kJ mol-1. Assume that for both LiF and MgO the Madelung constants… · 2001-2022 self-practice

ABC26PH0535 · When crystals of sodium chloride are heated in the presence of sodium vapor, they turn yellow. This is due to the formation of · 2005-2021

ABC26PH0821 · The structure of rock salt consists of · 2001-2022

ABC26PH0822 · Draw a properly labeled unit cell diagram of CsCl. Show through calculations that there is only one CsCl per unit cell. IIT JAM 2009 · 2001-2022 self-practice

ABC26PH0538 · P, F and I represent primitive, face-centered and body-centered lattices, respectively. The lattice types of NaCl and CsCl, respectively… · 2005-2021

ABC26PH0823 · The unit cell of diamond can be obtained from the unit cell of · 2001-2022

ABC26PH0539 · The INCORRECT statement about the solid-state structure of CsCl and CaF2 is: · 2005-2021

ABC26PH0824 · In CsCl structure, the number of Cs^+ ions that occupy second nearest neighbour locations of a Cs^+ ion is: · 2001-2022

ABC26PH0825 · The ionic radii of Ca2+ and F^- are 100 pm and 133 pm respectively. The coordination number of Ca2+ in the ionic solid will be · 2001-2022

ABC26PH0541 · Consider that AgX crystallizes in rock salt structure. The density of AgX is 6477 kg/m3 and unit cell length is 577.5 pm. Atomic weight of… · 2005-2021 self-practice

ABC26PH1333 · A plane of spacing 'd' shows first order Bragg diffraction at angle theta. A plane of spacing 2d · JUNE 2013

ABC26PH1343 · X-ray diffraction does not give any structural information for · DEC 2014

ABC26PH1347 · For a simple cubic crystal, X-ray diffraction shows intense reflections for angles theta 1 and theta 2 which are assigned to [1 0 1] and [1… · DEC 2015

ABC26PH1351 · The sin 2 theta values obtained from X-ray powder diffraction pattern of a solid are 2x, 4x, 6x, 8x where x is equal to 0.06. The… · DEC 2016

ABC26PH1357 · The (002) plane of an elemental FCC crystal diffracts X-rays (lambda = 0.154 nm) at Bragg angle 90°. the density of the crystal is 4 × 104… · JUNE 2018