Chemistry questions
29404 published questions with worked solutions.
- The pair(s) of coordination complexes/ions exhibiting the same kind of isomerism is(are)
- The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
- Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s) is(are)
- A tetrapeptide has –COOH group on alanine. This produces glycine (Gly), valine (Val), phenyl alanine (Phe) and alanine (Ala), on...
- EDTA^ 4- is ethylenediaminetetraacetate ion. The total number of N–Co–O bond angles in [Co(EDTA)]^ 1- complex ion is
- The total number of lone-pairs of electrons in melamine is
- The correct statement(s) about O_3 is(are)
- The thermal dissociation equilibrium of CaCO_3(s) is studied under different conditions. CaCO_3(s) CaO(s) + CO_2(g) For this...
- The K_ sp of Ag_2CrO_4 is 1.1 10^ -12 at 298 K. The solubility (in mol/L) of Ag_2CrO_4 in a 0.1 M AgNO_3 solution is
- The standard reduction potential data at 25 °C is given below. E^ ( Fe^ 3+ , Fe^ 2+ ) = +0.77 V; E^ ( Fe^ 2+ , Fe ) = -0.44 V E^...
- The correct combination of names for isomeric alcohols with molecular formula C_4H_ 10 O is/are
- Hydrogen bonding plays a central role in the following phenomena:
- In a galvanic cell, the salt bridge
- Upon heating with Cu_2S , the reagent(s) that give copper metal is/areNot in JEE Main or NEET syllabus
- The correct statement(s) for orthoboric acid is/are
- For the reaction: I^- + ClO_3^- + H_2SO_4 Cl^- + HSO_4^- + I_2 The correct statement(s) in the balanced equation is/are:
- Consider all possible isomeric ketones, including stereoisomers, of MW = 100. All these isomers are independently reacted with...
- Consider the following list of reagents: Acidified K_2Cr_2O_7 , alkaline KMnO_4 , CuSO_4 , H_2O_2 , Cl_2 , O_3 , FeCl_3 , HNO_3...
- A compound H_2X with molar weight of 80 g is dissolved in a solvent having density of 0.4 g ml⁻¹. Assuming no change in volume...
- MX_2 dissociates into M^ 2+ and X^- ions in an aqueous solution, with a degree of dissociation (α) of 0.5. The ratio of the...