Chemistry questions
29404 published questions with worked solutions.
- Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
- Which of the following oxoacid of sulphur has −O−O− linkage ?
- The calculated spin only magnetic moment of Cr^ 2+ ion is :
- The freezing point depression constant (K_f) of benzene is 5.12 K kg mol^ -1 . The freezing point depression for the solution of...
- The number of Faradays (F) required to produce 20 g of calcium from molten CaCl_2 (Atomic mass of Ca = 40 g mol^ -1 ) is :
- Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :
- Paper chromatography is an example of :
- 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