Practice questions
88551 published questions with worked solutions.
- A mass m is suspended from a spring of negligible mass and the system oscillates with a frequency f_1. The frequency of...
- In Young's double slit experiment, monochromatic light of wavelength 5000 Å is used. The slits are 1.0 mm apart and screen is...
- A particular hydrogen-like ion emits the radiation of frequency 3 10^ 15 Hz when it makes transition from n = 2 to n = 1. The...
- A moving coil galvanometer has 100 turns and each turn has an area of 2.0 cm^2. The magnetic field produced by the magnet is 0.01...
- A coil of 200 turns and area 0.20 m^2 is rotated at half a revolution per second and is placed in uniform magnetic field of 0.01...
- Lassaigne's test is used for detection of:
- 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: