List of top Chemistry Questions

Which of the following compounds is used as refrigerant?
Calculated magnetic moment value for \( \text{Fe}^{2+} \) ion in Bohr Magnetons (BM) is:
The number of radial nodes and angular nodes in a 4f orbital are respectively:
The wavelength of the electron in the first orbit of hydrogen atom is \(3.3 \times 10^{-10} \, \text{m}\). The kinetic energy of the electron (in J) is: (Given: \( h = 6.6 \times 10^{-34} \, \text{Js}, \, m_e = 9.0 \times 10^{-31} \, \text{kg} \))
The energy required (in eV) to excite an electron in a hydrogen atom from the ground state to the third state is:
Which quantum number provides information about the shape of an orbital?
The correct statement of the following is
Calculate the molarity of a solution containing 5g of NaOH in 450 mL solution .
What is the functional group present in serine, an amino acid, in addition to \( -\text{NH}_2 \) and \( -\text{COOH} \) groups?
Which hormone tends to increase the blood glucose level in humans?
Which of the following molecules is eliminated during peptide bond formation?
Which of the following is Indian saltpetre?
In the following unbalanced reaction, the product formed is:
NaAlO$_2$ + Al(OH)$_3$ + H$_2$O $\rightarrow$ ?
Pernicious anemia is caused due to deficiency of which vitamin?
Which of the following vitamins cannot be stored in the body?
Hydrolysis of nucleic acid gives nitrogenous base sugar and ________
Sugar present in DNA is
The general formula of the compound formed when a metal (M) of group - 1 reacts with non metal (x) of group - 16 is
Arrange the following species in the decreasing order of their bond orders. NO \quad NO$^+$ \quad NO$^-$ (I) \quad (II) \quad (III)
Bond enthalpy of Ge-Ge bond is 260 kJ mol$^{-1}$. The bond enthalpies of Si-Si and Sn-Sn bonds in kJ mol$^{-1}$ are respectively.
Write the name of [Cu(NH\(_3\))\(_4\)]Cl and [Pt(NH\(_3\))\(_4\)]Cl\(_2\) complexes.

Total number of relatively more stable isomer(s) possible for octahedral complex [Cu(en)2(SCN)2] wiil be ______.

In calculating osmotic pressure, the concentration of solution is expressed in
The co-ordination number of the following crystal structure (bcc) is
The correct structure of C is
structure of C