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Q. 23 The solubility product (Ksp) of Mg(OH)2 at 25°C is 5.6 × 10−11. Its solubility in water is S × 10−2 g/L, where the value of S is ____ […]

Q. 22 The standard reduction potential (E°) for the conversion of Cr2O72− to Cr3+ at 25°C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr2O72− […]

Q. 21 The compound, which upon mono-nitration using a mixture of 𝐇𝐍𝐎𝟑 and 𝐇𝟐𝐒𝐎𝟒, does NOT give the meta-isomer as the major product, is Question Overview In this question, we […]

Q. 20 The two major products of the reaction Question Overview The given reaction involves a secondary amine attached to a cyclohexyl-containing alkyl chain. The reaction conditions are: Reagents: Excess […]

Q. 19 The major product 𝐌 in the reaction is Question Overview In the given reaction, an alkene-containing cyclic compound undergoes ozonolysis: Reagents: O₃ (ozone) Zn / AcOH (reductive workup) […]

Q. 18 In [Mn(H2O)6]2+ (atomic number of Mn = 25), the d-d transitions according to crystal field theory (CFT) are Laporte forbidden and spin forbidden Laporte allowed and spin allowed […]

Q. 17 Among the following statements, (i) [NiCl4]2− (atomic number of Ni = 28) is diamagnetic (ii) Ethylamine is a weaker Lewis base compared to pyridine (iii) [NiCl2{P(C6H5)3}2] has two […]

Q. 16 Among B−H, C−H, N−H and Si−H bonds in BH₃, CH₄, NH₃ and SiH₄, respectively, the polarity of the bond which is shown INCORRECTLY is Bδ+−Hδ− Cδ−−Hδ+ Nδ−−Hδ+ Siδ−−Hδ+ […]

Q. 15 The total number of possible stereoisomers for the compound with the structural formula CH₃CH(OH)CH=CHCH₂CH₃ is ____. The compound CH₃CH(OH)CH=CHCH₂CH₃, known as pent-3-en-2-ol, has two stereogenic units leading to […]

Q. 14 Two equivalents of 𝐏 react with one equivalent of 𝐐 to produce a major product 𝐑. The number of double bonds present in the major product 𝐑 is […]