Chemistry questions
29404 published questions with worked solutions.
- Number of unit cells in 8 g of X (atomic mass =40) which crystallizes in bcc pattern is (N_A = Avogadro number)Not in JEE Main or NEET syllabus
- In the primitive cubic unit cell of closed packed atoms, the radius of atom in terms of edge length (a) of unit cell isNot in JEE Main or NEET syllabus
- The unit cell present in the crystal lattice of diamond is _______.Not in JEE Main or NEET syllabus
- CuSO_4 5H_2O belongs toNot in JEE Main or NEET syllabus
- An ionic crystal lattice has r_c/r_a radius ratio of 0.524. Its coordination number isNot in JEE Main or NEET syllabus
- The number of tetrahedral sites per sphere in ccp structure isNot in JEE Main or NEET syllabus
- Which of the following expressions is correct in case of a sodium chloride unit cell (edge length, a)?Not in JEE Main or NEET syllabus
- Ammonium chloride crystallizes in a body-centred cubic lattice with edge length of unit cell equal to 387 pm. If the size of Cl^-...Not in JEE Main or NEET syllabus
- In sodium chloride crystal , the number of nearest neighbours of each Na^+ ion isNot in JEE Main or NEET syllabus
- The inter ionic distance for cesium chloride crystal isNot in JEE Main or NEET syllabus
- A substance has a density of 1.984 g ,cm^ -3 and it crystallizes in the face-centred cubic crystal with edge length equal to 630...Not in JEE Main or NEET syllabus
- The interionic distance for cesium chloride crystal will beNot in JEE Main or NEET syllabus
- Which of the following fcc structure contains cations in alternate tetrahedral voids?Not in JEE Main or NEET syllabus
- If a is the edge length of unit cell of sodium chloride , the distance between two nearest Na^+ ions isNot in JEE Main or NEET syllabus
- KCl crystallizes in the same type of lattice as does NaCl. Given that r_ Na^+ r_ Cl^- =0.55 and r_ K^+ r_ Cl^- =0.74 calculate...Not in JEE Main or NEET syllabus
- Due to Frenkel defect the density of ionic solidNot in JEE Main or NEET syllabus
- In crystalline solid few of the cations moved from their positions into the interstitial position. The defect is called asNot in JEE Main or NEET syllabus
- Diamagnetism is exhibited by
- Polar molecular solidsNot in JEE Main or NEET syllabus
- Which of the following is paramagnetic substance?