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Q.19 The complex ion [Cr(H2O)6]3+ (atomic number of Cr is 24) exhibits (A) slightly distorted octahedral geometry (B) tetragonally elongated octahedral geometry (C) tetragonally compressed octahedral geometry (D) perfect octahedral […]

Q.18 The magnetic moment of an octahedral Co(II) complex is approximately 4.0 μB (atomic number of Co is 27). The CFSE for this complex, in Δo units, is ________. CFSE […]

Q.17 Diphosphonic acid (H4P2O5) has no P–P bond. This acid is (A) tetrabasic (B) tribasic (C) dibasic (D) monobasic Diphosphonic acid (H₄P₂O₅) has no P–P bond. This acid is (A) […]

Q.16 A ball of mass 330 g is moving with a constant speed, and its associated de Broglie wavelength is 1 × 10−33 m. The speed of the ball is […]

Q.15 The acid that undergoes decarboxylation most readily upon heating is Question Statement Which of the following acids undergoes decarboxylation most readily upon heating? Core Concept: Decarboxylation Rule β-keto acids […]

Q.14 The major product formed in the following reaction is Question Overview Phenol is treated with bromine (Br₂) in carbon disulfide (CS₂) at a low temperature (< 5°C). You are […]

Q.13 Assuming ideal condition, the solution that has the highest freezing point is(A) 0.002 M aqueous solution of copper nitrate(B) 0.001 M aqueous solution of potassium dichromate(C) 0.001 M aqueous […]

Q.12 Potassium metal crystallizes in the body-centered cubic structure. The number of atoms per unit cell is equal to (A) one (B) two (C) three (D) four Potassium metal’s body-centered […]

Q.11 Hybridizations of nitrogen in NO2+, NO3−, NH4+ respectively are (A) sp, sp2 and sp3 (B) sp, sp3 and sp2 (C) sp2, sp and sp3 (D) sp3, sp2 and sp […]

Q.10 10% of the population in a town is HIV + . A new diagnostic kit for HIV detection is available; thiskit correctly identifies HIV + individuals 95% of the […]