Chemistry questions
29404 published questions with worked solutions.
- The pair from the following paris having both compounds with net non-zero dipole moment is
- The octahedral diamagnetic low spin complex among the following is
- The enthalpy change for the adsorption process and micelle formation respectively areNot in JEE Main or NEET syllabus
- The one that does not stabilize 2^0 and 3^0 structures of proteins is
- Using column chromatography, mixture of two compounds 'A' and 'B' was separated 'A' eluted first, this indicates 'B' has
- Which of the following is used as a stabilizer during the concentration of sulphide ores?Not in JEE Main or NEET syllabus
- The number of molecules and moles in 2.8375 litres of O_2 at STP are respectively
- Identify the correct order of reactivity for the following pairs towards the respective mechanism (A) S_N2: secondary bromide >...
- Suitable reaction condition for preparation of Methyl phenyl ether is
- FeO_4^ 2- +2.2V Fe^ 3+ +0.70V Fe^ 2+ -0.45V Fe^0 E^0_ FeO_4^ 2- /Fe^ 2+ is x 10^ -3 V. The value of x is _________.
- In potassium ferrocyanide, there are ____ pairs of electrons in the t_ 2g set of orbitals.
- A molecule undergoes two independent first order reactions whose respective half lives are 12 min and 3 min. If both the...
- The number of bent-shaped molecule/s from the following is ____ N_3^-, NO_2^-, I_3^-, O_3, SO_2
- The number of correct statement/s involving equilibria in physical processes from the following is _________ (A) Equilibrium is...
- In the following reaction, the total number of oxygen atoms in X and Y is _______ Na_2O+H_2O 2X Cl_2O_7+H_2O 2Y
- If the degree of dissociation of aqueous solution of weak monobasic acid is determined to be 0.3, then the observed freezing...
- At constant temperature, a gas is at a pressure of 940.3 mm Hg. The pressure at which its volume decreases by 40% is ______mm Hg....
- The sum of lone pairs present on the central atom of the interhalogen IF_5 and IF_7 is _____
- For a chemical reaction A + B Product, the order is 1 with respect to A and B Rate(mol L^ -1 S^ -1 ): 0.10, 0.40, 0.80; [A](mol...
- Alkali metal from the following with least melting points isNot in JEE Main or NEET syllabus