List of top Chemistry Questions

Measuring Zeta potential is useful in determiningwhich property of colloidal solution ?
The freezing point depression constant (\(K_f \)) of benzene is \(5.12 K\ kg\ mol^{−1}\). The freezing point depression for the solution of molality \(0.078\ m\) containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :
Identify the incorrect match.

Name

IUPAC Official Name
AUnniluniumIMendelevium
BUnniltriumIILawrencium
CUnnilhexiumIIISeaborgium
DUnununniumIVDarmstadtium
Which of the following is not correct about carbonmonoxide ?
For the reaction, \(2Cl(g) → Cl_2 (g)\), the correct option is :
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?
Paper chromatography is an example of :
Elimination reaction of 2-Bromo pentane to form pent-2-ene is :
Match the following and identify the correct option
A\(CO(g)+H_2 (g)\)I\(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\)
BTemporary hardness of waterIIAn electron deficient hydride
C\(B_2H_6\)IIISynthesis gas
D\(H_2O_2\)IVNon-planar structure
The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
Identify the incorrect statement.
A, B and C are three biomolecules. The results of the tests performed on them are given below :
Molisch's lest Barfoed Test Biuret Test
A Positive Negative Negativde
B Positive Positive Negative
C Negative Negative Positive
A, B and C are respectively :
In a given shell, the orbital which has more penetration power towards the nucleus is
Volume of oxygen required at STP for complete combustion of 1 mole of ethane.
The volume occupied by one gram of hydrogen gas at STP is
The number of bond pairs and lone pairs of electrons in H2O molecule are
The distance between two adjacent layers in Graphite
Which of the following metals liberates hydrogen gas when reacted with dil. HCl?
The colour of phenolphthalein indicator in NaOH solution is
Which of the following equations is not balanced?
1 nanometer is equal to
The nature of non-metallic oxides is generally
The functional group in aldehyde is
Which of the following is saturated hydrocarbon?