Chemistry questions
29404 published questions with worked solutions.
- Which one of the following pairs is an example of polar molecular solids ?Not in JEE Main or NEET syllabus
- Which hydride among the following is less stable ?Not in JEE Main or NEET syllabus
- If Ni^ 2+ is replaced by Pt^ 2+ in the complex [NiCl_2Br_2]^ 2- , which of the following properties are expected to get changed ?...
- Match List I with List II List I (Complex): A. Mg(NH_4)PO_4 B. K_3[Co(NO_2)_6] C. MnO(OH)_2 D. Fe_4[Fe(CN)_6]_3 List II (Colour):...
- Given below are two statements : Statement I : In the metallurgy process, sulphide ore is converted to oxide before reduction....Not in JEE Main or NEET syllabus
- A solution is prepared by adding 2 g of "X" to 1 mole of water. Mass percent of "X" in the solution is
- What weight of glucose must be dissolved in 100 g of water to lower the vapour pressure by 0.20 mm Hg? (Assume dilute solution is...
- Given below are two statements : Statement I : Ethane at 333 to 343 K and 6-7 atm pressure in the presence of AlEt_3 and TiCl_4...Not in JEE Main or NEET syllabus
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : A solution of...
- Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A :...
- H_3C-CH_2-CH(OH)-CH_3 [ (ii) Mg,Dry ether (iii) D_2O] (i) NaI,H_3PO_4 Product [X] Product [X] formed in the above reaction is :
- One mole of P_4 reacts with 8 moles of SOCl_2 to give 4 moles of A, x mole of SO_2 and 2 moles of B. A, B and x respectively are
- The magnetic moment is measured in Bohr Magneton (BM). Spin only magnetic moment of Fe in [Fe(H_2O)_6]^ 3+ and [Fe(CN)_6]^ 3-...
- The major product formed in the following reaction is C_6H_5-CH(OH)-CH(CH_3)-CH_2CHO [ ] Zn(Hg)/HCl Major product A....
- Number of compounds from the following which will not produce orange red precipitate with Benedict solutions is ............
- The maximum number of lone pairs of electron on the central atom from the following species is ........... ClO_3^-, XeF_4, SF_4...
- 4.5 moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, 3 moles of HI were found. The...
- The number of correct statements about modern adsorption theory of heterogeneous catalysis from the following is ....... A. The...Not in JEE Main or NEET syllabus
- The number of correct statements from the following is ........ A. E_ cell is an intensive parameter B. A negative E° means that...
- Choose the correct answer: Match List-I with List-II: List-I Species: A. H_3O^+ B. Acetylide anion C. NH_4^+ D. ClO_2^- List-II...