This set of Class 12 Chemistry Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Biomolecules Carbohydrates – 2”. 1. Which of the following monosaccharides is a ketohexose? a) Glucose b) Galactose c) Fructose d) Mannose 2. Identify the aldose form the following. a) Arabinose b) Xylulose c) Ribulose d) Sorbose 3. Erythrulose is … Read more
This set of Class 12 Chemistry Chapter 14 Multiple Choice Questions & Answers (MCQs) focuses on “Biomolecules”. These MCQs are created based on the latest CBSE syllabus and the NCERT curriculum, offering valuable assistance for exam preparation. 1. Which of the following carbohydrates does not satisfy the formula Cx(H2O)y? a) Fructose b) Glucose c) Deoxyribose … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Diazonium Salts in Synthesis of Aromatic Compounds”. 1. Diazonium salts are specifically used as intermediates in the production of which of the following compounds? a) m-Bromotoluene b) o-Bromotoluene c) p-Bromophenol d) o-Bromophenol 2. What is the minimum number of … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Diazonium Salts Chemical Reactions – 3”. 1. The reaction involving the conversion of diazonium salts to azo compounds is known as _______ reaction. a) diazotisation b) deamination c) coupling d) carbylamine 2. The coupling reaction is a type of … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Diazonium Salts Chemical Reactions – 2”. 1. The complete reaction for the conversion of aniline to benzene, involving the reduction of diazonium salt, is known as _______ a) diazotisation b) deamination c) sandmeyer reaction d) gatterman reaction 2. When … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Diazonium Salts Chemical Reactions – 1”. 1. In reactions of diazonium salts involving the displacement of diazonium group, the nitrogen escapes as _____ a) precipitate b) liquid c) gas d) crystals 2. Identify the most suitable reagent for converting … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Diazonium Salts Physical Properties”. 1. Aromatic diazonium salts are stable at _____ temperatures. a) cold b) room c) warm d) high 2. When a blue litmus paper is dipped in an aqueous solution of benzenediazonium bromide, the litmus paper … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Preparation Method of Diazonium Salts”. 1. What is the most suitable temperature for the diazotisation reaction to take place? a) 0°C b) 10°C c) 22°C d) 30°C 2. Identify the diazonium group in the diazonium salt ArN2+Br-. a) ArN2+ … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Amines Chemical Reactions – 4”. 1. Which gas is produced when ethanamine reacts with nitrous acid? a) N2 b) H2 c) HCl d) O2 2. What is the main product of the following reaction? a) Benzene diazonium chloride b) … Read more
This set of Class 12 Chemistry Chapter 13 Multiple Choice Questions & Answers (MCQs) focuses on “Amines Chemical Reactions – 3”. 1. If x and y are the pKb values of p-methylaniline and N,N-dimethylaniline, what is the relation between x and y? a) x > y b) x < y c) x = y d) … Read more
