List of top Chemistry Questions

How many lattice points belong to a face centered cubic unit cell?
$Cr$ is member of $3d$ transition series of atomic number $24$. What will be its electronic configuration?
Anilinium chloride is more acidic than ammonium chloride. Anilinium chloride is resonance stabilised.
An organic compound which produces a bluish green coloured flame on heating in presence of copper is
Among the alkali metals cesium is the most reactive because

The reaction \(${C_2H_5ONa + C_2H_5I -> C_2H_5OC_2H_5 + NaI}$\) is known

The ion which exhibits green colour ?
The paramagnetic nature of oxygen molecular is best explained on the basis of
Nucleophilic addition reaction will be most favoured in:
The major organic product in the reaction, CH3 – O – CH(CH3)2 + HI \(→\) Product is:
The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because:
In which of the following molecules are all the bonds not equal?
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is:
If E°Fe2+/Fe = -0.441 V and E°Fe3+/Fe2+ = 0.771 V, the standard emf of the reaction: Fe + 2Fe3+ \(→\) 3Fe2+ will be:
In which of the following pairs are both the ions coloured in aqueous solution? (Atomic number: Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
Assume each reaction is carried out in an open container. For which reaction will ∆H = ∆E?
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields:
1.00 g of a non-electrolyte solute (molar mass 250 g mol-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol-1, the freezing point of benzene will be lowered by:
A hypothetical electrochemical cell is shown below 
\(A|A+ (xM)|| B+ (yM)| B \)
The emf measured is +0.20 V. The cell reaction is:
The general molecular formula, which represents the homologous series of alkanols is :
During osmosis, flow of water through a semi-permeable membrane is :
The IUPAC name of   2,3-dimethylpentanoyl chloride is :
Which of the following is the most basic oxide ?
Which of the following is not a correct statement ?
The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic number 16 is :