Chemistry questions
29404 published questions with worked solutions.
- The molecules of polar molecular solids are held together by _______
- Which of the following is a hydrogen bonded molecular crystal?
- The number of atoms or molecules contained in one primitive cubic unit cell is _______Not in JEE Main or NEET syllabus
- If the number of atoms per unit in a crystal is 2, the structure of crystal is _________Not in JEE Main or NEET syllabus
- Which of the following are the CORRECT axial distances and axial angles for rhombohedral system?Not in JEE Main or NEET syllabus
- The three dimensional graph of lattice points which sets the pattern for the whole lattice is called ________Not in JEE Main or NEET syllabus
- The arrangement ABCABC ....... Is referred to as _____ close packingNot in JEE Main or NEET syllabus
- The number of tetrahedral voids in a unit cell of cubical closest packed structure is _____Not in JEE Main or NEET syllabus
- Which of the following crystallises in bcc structure?Not in JEE Main or NEET syllabus
- The packing efficiency in simple cubic unit cell is _____Not in JEE Main or NEET syllabus
- The maximum percentage of available volume that can be filled in a face centered cubic system by an atom is _____Not in JEE Main or NEET syllabus
- The space occupied by b. c. c. arrangement is approximately _____Not in JEE Main or NEET syllabus
- In NaCl lattice, the radius ratio r_ Na^+ r_ Cl^- = _____Not in JEE Main or NEET syllabus
- Which of the following ions has the largest radius?
- TlCl has structure similar to CsCl, the coordination number of Tl^+ is _____Not in JEE Main or NEET syllabus
- For cubic coordination, the value of radius ratio is _____Not in JEE Main or NEET syllabus
- For some crystals, the radius ratio for cation and anion is 0.525. Its coordination number will be _____Not in JEE Main or NEET syllabus
- In the unit cell of NaCl lattice, there are _____Not in JEE Main or NEET syllabus
- If the type of the hole occupied is tetrahedral, the radius ratio (r^+/r^-) should be _____Not in JEE Main or NEET syllabus
- For an ionic crystal of the type AB, the value of (limiting) radius ratio is 0.40. The value suggests that the crystal structure...Not in JEE Main or NEET syllabus