2025-26Class 1270 marks33 questions
24 of its 33 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.
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Source: CBSE Sample Question Paper 2025-26, Class 12 Chemistry (043), published by CBSE. The official PDF
Which of the following reaction will lead to formation of ethyl methyl ketone:
The counter ion in the coordination compound [Co(NH₃)₅(NO₂)] Cl₂ is
The organic compounds A, B and C are amines having equivalent molecular weight. A and B on reaction with benzene sulphonyl chloride give white precipitate, however white precipitate obtained from compound B remains insoluble in NaOH. The variation in the boiling point of A, B and C can be seen as :
70 gm solute is dissolved in 700 gm solvent to prepare a solution having density 1.5 g/ml. The ratio of its molality and molarity will be:
In o-cresol, the –OH group is attached to the carbon that is:
Which of the following is laevorotatory in nature :
The name inner transition metals is often used to refer to the
Λₘᵒ CH₃COOH can be calculated if the values of the following are given: 1. Λₘᵒ HCl, Λₘᵒ KCl and Λₘᵒ CH₃COOK 2. Λₘᵒ NaCl, Λₘᵒ KCl and Λₘᵒ CH₃COONa 3. Λₘᵒ H₂SO₄, Λₘᵒ Na₂SO₄ and Λₘᵒ CH₃COONa