Chemistry questions
29404 published questions with worked solutions.
- The descending order of acidity for the following carboxylic acid is- (A) CH_3COOH (B) F_3C-COOH (C) ClCH_2-COOH (D) FCH_2-COOH...
- Match List-I with List-II List-I (Coordination Complex): A. [Cr(CN)_6]^ 3- B. [Fe(H_2O)_6]^ 2+ C. [CO(NH_3)_6]^ 3+ D....
- Arrange the following gases in increasing order of van der Waals constant 'a' (A) Ar (B) CH_4 (C) H_2O (D) C_6H_6 Choose the...
- Which of these reactions is not a part of breakdown of ozone in stratosphere?
- Given below are two statements: Statement I: In redox titration, the indicators used are sensitive to change in pH of the...
- The correct IUPAC nomenclature for the following compound is: (2-methyl-5-oxohexanoic acid structure with...
- Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A: Sodium is about...Not in JEE Main or NEET syllabus
- The statement/s which are true about antagonists from the following is/are : A. They bind to the receptor site. B. Get...Not in JEE Main or NEET syllabus
- Match List -I with List II List I (Natural amino acid): A. Glutamic acid B. Glutamine C. Tyrosine D. Tryptophan List II (One...
- In Hall-Heroult process, the following is used for reducing Al_2O_3:-Not in JEE Main or NEET syllabus
- If the boiling points of two solvents X and Y (having same molecular weights) are in the ratio 2 : 1 and their enthalpy of...
- The ratio of sigma and bonds present in pyrophosophoric acid is _________.
- The number of atomic orbitals from the following having 5 radial nodes is _______. 7s, 7p, 6s, 8p, 8d
- The observed magnetic moment of the complex [Mn(NCS)_6]^ x- is 6.06 BM. The numerical value of x is
- The sum of oxidation state of the metals in Fe(CO)_5, VO^ 2+ and WO_3 is
- For complete combustion of ethene, C_2H_4(g)+3O_2(g) 2CO_2(g)+2H_2O(l) the amount of heat produced as measured in bomb...
- The number of incorrect statements from the following is _______ A. The electrical work that a reaction can perform at constant...
- The solubility product of BaSO_4 is 1 10^ -10 at 298 K. The solubility of BaSO_4 in 0.1 M K_2SO_4(aq) solution is _________ 10^...
- Coagulating value of the electrolytes AlCl_3 and NaCl for As_2S_3 are 0.09 and 50.04 respectively. The coagulating power of...Not in JEE Main or NEET syllabus
- The number of species from the following carrying a single lone pair on central atom Xenon is _________. XeF_5^+, XeO_3,...