Chemistry questions
29404 published questions with worked solutions.
- Consider the complete combustion of butane, the amount of butane utilized to produce 72.0 g of water is_________ 10^ -1 g. (in...
- Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H_2SO_4?
- The number of non-ionisable hydrogen atoms present in the final product obtained from the hydrolysis of PCl_5 is :
- The bond order and magnetic behaviour of O_2^- ion are, respectively :
- Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar. Reason (R) : Sucrose involves glycosidic linkage between C_1...
- Match List–I with List–II : List-I (Chemical Reaction): (a) CH_3COOCH_2CH_3 CH_3CH_2OH (b) CH_3COOCH_3 CH_3CHO (c) CH_3C N...
- Consider the given reaction: 1,3-diaminobenzene + (CH_3CO)_2O (Major Product) The major product in the above reaction is :
- The sol given below with negatively charged colloidal particles is :Not in JEE Main or NEET syllabus
- Statement I : Sphalerite is a sulphide ore of zinc and copper glance is a sulphide ore of copper. Statement II : It is possible...Not in JEE Main or NEET syllabus
- Assertion (A) : Heavy water is used for the study of reaction mechanism. Reason (R) : The rate of reaction for the cleavage of...
- Arrange the following Cobalt complexes in the order of increasing Crystal Field Stabilization Energy (CFSE) value. Complexes :...
- Chlordiazepoxide, with structure containing an imidazole fused ring system and a tertiary amine N(CH3), Cl substituent. The class...Not in JEE Main or NEET syllabus
- Chalcogen group elements are :
- Which one of the following compounds is not aromatic ?
- The number of stereoisomers possible for 1,2-dimethyl cyclopropane is :
- Consider the given reaction: pentanal [H_2O] "X" HCN cyanohydrin intermediate [H_3O] LiAlH_4 "Y" (Major Product) Identify 'X' and...
- The equilibrium constant Kc at 298 K for the reaction A + B C + D is 100. Starting with an equimolar solution with concentrations...
- For the galvanic cell, Zn(s) + Cu^ 2+ (0.02M) Zn^ 2+ (0.04 M) + Cu(s), E_ cell =________ 10^ -2 V. (Nearest integer) [Use : E^0_...
- 100 mL of Na_3PO_4 solution contains 3.45 g of sodium. The molarity of the solution is _____ 10^ -2 mol L^ -1 . (Nearest integer)...
- The overall stability constant of the complex ion [Cu(NH_3)_4]^ 2+ is 2.1 10^ 13 . The overall dissociations constant is y 10^...