Predict expression from α in terms of \(K_{eq}\) and concentration C :
\(A_2 B_3(aq) \leftrightharpoons 2{A_3} (aq)+3B_{{2-}}(aq)\)
In which of the following pairs of elements electron gain enthalpy difference is highest?
A binary compound has Y-atoms forming FCC unit cell and another type of X-atoms occupying \(\frac{1}{3}\)rd of tetrahedral voids. Find out the molecular formula of the compound
Determine the amount of urea (NH2CONH2) to be added in 1000 g of water to decrease its vapour pressure by 25%.
2[Au(CN)2]– + Zn \(\to\) [Zn(CN)4]2– + 2Au\(\downarrow\) is which of these (A) Redox reaction (B) Displacement reaction(C) Combination reaction(D) Decomposition reaction
Photochemical smog found mainly in
In the depression of freezing point experiment
A. Vapour pressure of the solution is less than that of pure solvent
B. Vapour pressure of the solution is more than that of pure solvent
C. Only solute molecules solidify at the freezing point
D. Only solvent molecules solidify at the freezing point
Choose the most appropriate answer from the options given below:
The major products ' A ' and ' B ', respectively, are
Match items of Row I with those of Row II:
[(i)] $\alpha$-D-(-)-Fructofuranose [(ii)] $\beta$-D-(-)-Fructofuranose [(iii)] $\alpha$-D-(+)-Glucopyranose [(iv)] $\beta$-D-(+)-Glucopyranose Correct Match:
Identify the product formed (A and E)
Some reactions of $NO _2$ relevant to photochemical smog formation are
Identify $A , B , X$ and $Y$
Incorrect statement for the use of indicators in acid-base titration is :
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason RAssertion A: Hydrolysis of an alkyl chloride is a slow reaction but in the presence of NaI, the rate of the hydrolysis increasesReason R: $\,I ^{-}$is a good nucleophile as well as a good leaving groupIn the light of the above statements, choose the correct answer from the options given below
