List of top Chemistry Questions

Which of the following represents the correct structure of crotonyl alcohol?
The Wolff-Löffler-Kishner reduction is used to convert which of the following compounds into the corresponding alkane?
Which of the following statements about graphite is correct?
In an isothermal expansion of an ideal gas, the internal energy of the gas:
How many Coulombs are required to oxidise 0.1 mole of H2O to oxygen?
Solubility product of CaC2O4 at a given temperature in pure water is 4×10-9 (mol L-1)2. Solubility of CaC2O4 at the same temperature is:
The type of linkage present between nucleotides is :
Two liquids A and B are mixed in such a proportion that they form an ideal solution whose total vapor pressure is exactly three times that of the partial pressure of A. If \( P_A^\circ \) and \( P_B^\circ \) are the vapor pressures of pure A and B respectively, then the total vapor pressure of the solution is given by
Depict the galvanic cell in which the reaction Zn(s) + 2Ag+(aq) → Zn2+(aq) + 2Ag(s) takes place. Further show: 
 (i) Which of the electrode is negatively charged? 
 (ii) The carriers of the current in the cell. 
 (iii) Individual reaction at each electrode.
The energy associated with first orbit is He+ is
Solubility of a gas in a liquid increases with
Alkali halides do not show Frenkel defect because
The pH value of 0.1M solution of anilinium chloride is:(Ka of C6H5NH3+=10−6)
The synthetically produced radioactive noble gas by the collision of \(_{98}^{249}Cf\) with \(^{48}_{20}Ca\) is
The correct decreasing order of boiling point of hydrogen halides is
Which of the following statements related to lanthanoids is incorreect?
Match the following:
I.Zn2+i.d8 configuration
II.Cu2+ii.colourless
III.Ni2-iii.μ=1.73BM
The transition element ( ≈ 5%) present with lanthanoid metal in Misch metal is:
Identify the wrong relation for real gases
From the diagram
ΔrH for the reaction C → A is
ΔrH for the reaction C → A is
A pair of isoelectric species having bond order of one is:
A metalloid is
For which one of the following mixtures is composition uniform throughout?
For the coagulation of positively charged hydrated ferric-oxide sol, the flocculating power of the ions is in the order :
Identify the incorrect statement :