Practice questions
88551 published questions with worked solutions.
- An increase in the concentration of the reactants of a reaction leads to change in :
- A mixture of N_2 and Ar gases in a cylinder contains 7 g of N_2 and 8 g of Ar. If the total pressure of the mixture of the gases...
- A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following ?
- Which of the following is a cationic detergent ?Not in JEE Main or NEET syllabus
- Elimination reaction of 2-Bromo-pentane to form pent-2-ene is : (a) β-Elimination reaction (b) Follows Zaitsev rule (c)...
- The mixture which shows positive deviation from Raoult’s law is :
- Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?
- HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallise(s) ?
- Which of the following is a natural polymer ?Not in JEE Main or NEET syllabus
- The number of protons, neutrons and electrons in ^ 175 _ 71 Lu , respectively, are :
- What is the change in oxidation number of carbon in the following reaction ? CH _4(g)+4 Cl _2(g) CCl _4(l)+4 HCl (g)
- For the reaction, 2Cl(g) Cl_2(g), the correct option is :
- Measuring Zeta potential is useful in determining which property of colloidal solution ?Not in JEE Main or NEET syllabus
- Match the following and identify the correct option. List-I: (a) CO(g) + H2(g) (b) Temporary hardness of water (c) B2H6 (d) H2O2...Not in JEE Main or NEET syllabus
- Match the following : List-I: (a) CO (b) BaO (c) Al2O3 (d) Cl2O7 List-II: (i) Basic (ii) Neutral (iii) Acidic (iv) Amphoteric
- The rate constant for a first order reaction is 4.606 10^ -3 s^ -1 . The time required to reduce 2.0 g of the reactant to 0.2 g...
- Which of the following alkane cannot be made in good yield by Wurtz reaction ?
- The Brewsters angle ib for an interface should be :
- A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally...
- Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard...