JEE Main questions
34495 published questions with worked solutions.
- Given below are two statements: Statement (I): SiO_2 and GeO_2 are acidic while SnO and PbO are amphoteric in nature. Statement...
- The set of meta directing functional groups from the following sets is:
- Given below are two statements: one is labeled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In...
- The strongest reducing agent among the following is:
- Given below are two statements: Statement (I): A π bonding MO has lower electron density above and below the inter-nuclear axis....
- Given below are two statements: Statement (I): Both metals and non-metals exist in p and d-block elements Statement (II):...
- Given below are two statements: Statement I: Dimethyl glyoxime forms a six membered covalent chelate when treated with NiCl_2...
- [Co(NH_3)_6]^ 3+ and [CoF_6]^ 3- are respectively known as:
- Match List-I with List-II. List-I (Reactants): (A) Phenol, Zn/Δ (B) Phenol, CHCl_3, NaOH, HCl (C) Phenol, CO_2, NaOH, HCl (D)...
- The transition metal having highest 3rd ionization enthalpy is:
- The functional group that shows negative resonance effect is:
- Match List-I with List-II. List-I (Compound): (A) Carbon tetrachloride (B) Methylene chloride (C) DDT (D) Freons List-II (Use):...
- Solubility of calcium phosphate (molecular mass, M) in water is W g per 100 mL at 25°C. Its solubility product at 25°C will...
- The number of radial node/s for 3p orbital is:
- Consider the following redox reaction: MnO_4^- + H^+ + H_2C_2O_4 ⇌ Mn^ 2+ + H_2O + CO_2. The standard reduction potentials are...
- 10 mL of gaseous hydrocarbon of combustion gives 40 mL of CO_2(g) and 50 mL of water vapour. Total number of carbon and hydrogen...
- For a certain reaction at 300 K, K = 10, then ΔG° for the same reaction is –_____ × 10^ -1 kJ mol^ -1 . (Given R = 8.314 JK^ -1...
- The amount of electricity in Coulomb required for the oxidation of 1 mol of H_2O to O_2 is _____ × 10^5 C.
- Total number of isomeric compounds (including stereoisomers) formed by monochlorination of 2-methylbutane is _____.
- Mass of ethylene glycol (antifreeze) to be added to 18.6 kg of water to protect the freezing point at –24°C is ______ kg (Molar...