Q.75 Which of the following is/are the correct pair(s) in the context of linkages in coordination compounds? I. Primary Valences – Negative ionsII. Secondary Valences – Negative ionsAns 1. Both I and II2. Only I3. Neither I nor ...
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Q.84 Which of the following is/are correct pair(s) of a source and its corresponding acid? I. Orange – Citric AcidII. Lemon – Tartaric AcidAns 1. Neither I nor II2. Both I and II3. Only I4. Only IICorrect Ans ...
Q.77 A reaction in which one group or atom is replaced by another is called ______.Ans 1. Resonance reaction2. Addition reaction3. Elimination reaction4. Substitution reactionCorrect Ans Provided: 4
Q.66 Isoprene rule was proposed by ______.Ans 1. Alfred2. Thompson3. Wallach4. HenryCorrect Ans Provided: 3
Q.49 What is the number of collisions per second per unit volume of the reaction mixture known as?Ans 1. Faster frequency2. Gaseous frequency3. Effective frequency4. Collision frequencyCorrect Ans Provided: 4
Q.104 Arrange the following in decreasing order of their packing efficiencies? I. Primitive Cubic Unit CellII. Hexagonal Close Packed Unit CellIII. Body-Centered Cubic Unit CellAns 1. II, III, I2. III, I, II3. I, III, II4. II, I, ...
Q.113 A double bond is made up of ______.Ans 1. two pi ponds2. one sigma and one pi bond3. two sigma bonds4. two sigma and one pi bondCorrect Ans Provided: 2
Q.117 Arrange the following in increasing order of their pH values. I. MilkII. Lemon JuiceIII. Tomato JuiceAns 1. III, I, II2. II, I, III3. II, III, I4. III, II, ICorrect Ans Provided: 3
Q.98 Which of the following statement(s) is/are correct? I. Electrochemical cells are used for potentiometric titration.II. pH of the solutions are determined by electrochemical cells.Ans 1. Only II2. Both I and II3. Only I4. Neither I nor IICorrect ...
Q.51 A filter paper is moistened in which phase of thin-layer phase chromatography?Ans 1. Mobile phase2. Stationary phase3. TLC spots4. Solvent phaseCorrect Ans Provided: 1
