NEET questions
18092 published questions with worked solutions.
- According to Curie's law, the magnetic susceptibility of a substance at an absolute temperature T is proportional to -Not in JEE Advanced syllabus
- Diamagnetic material in a magnetic field moves :Not in JEE Advanced syllabus
- Barrier potential of a p-n junction diode does not depend on -Not in JEE Advanced syllabus
- The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass unit). The binding energy of _2^4 He is (Given :...
- The mass number of a nucleus is
- A nuclear reaction given by _Z X^A _ Z+1 Y^A + _ -1 e^0 + represents
- The ions O ^ 2- , F ^ - , Na ^ + , Mg ^ 2+ and Al ^ 3+ are isoelectronic. Their ionic radii show :
- Which of the following statements is not correct for sigma- and pi- bonds formed between two carbon atoms :
- The oxidation states of sulphur in the anions SO _3^ 2- , S _2 O _4^ 2- and S _2 O _6^ 2- follow the order -
- For the reaction : C _3 H _8(g) + 5 O _2(g) 3 CO _2(g) + 4 H _2 O ( ) at constant temperature, H - E is :
- In Haber process 30 litres of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only 50% of the...
- The densities of graphite and diamond at 298 K are 2.25 and 3.51 g cm^ -3 , respectively. If the standard free energy difference...
- What is the entropy change (in JK^ -1 mol^ -1 ) when one mole of ice is converted into water at 0^ ? (The enthalpy change for the...
- The reaction quotient (Q) for the reaction : N _2(g) + 3 H _2(g) 2 NH _3(g) is given by Q = [ NH _3]^2 [ N _2][ H _2]^3 . The...
- The activation energy for a simple chemical reaction A B is E_a in forward direction. The activation energy for reverse reaction :
- The method of zone refining of metals is based on the principle of :Not in JEE Main or NEET syllabus
- On the basis of the information available from the reaction : 4 3 Al + O _2 2 3 Al _2 O _3, G = -827 kJ mol ^ -1 of O _2, the...
- The reaction A B follows first order kinetics. The time taken for 0.8 mole of A to produce 0.6 mole of B is 1 hour. What is the...
- The solubility product of AgI at 25^ is 1.0 10^ -16 mol ^2 L ^ -2 . The solubility of AgI in 10^ -4 N solution of KI at 25^ is...
- Formation of a solution from two components can be considered as : (i) Pure solvent separated solvent molecules, H_1 (ii) Pure...