Question Bank Directory

The incorrect statement among the following is:

A solution contains a non-volatile solute of molecular mass $M_2$. Which of the following expressions gives the molecular mass of solute in terms of osmotic pressure, where $m_2$ is the mass of solute, $V$ is the volume of solution, and $\pi$ is osmotic pressure?

Match the following structures with their respective location in organs (a) Crypts of Lieberkuhn (i) Pancreas (b) Glisson's Capsule (ii) Duodenum (c) Islets of Langerhans (iii) Small intestine (d) Brunner's Glands (iv) Liver Select the correct option from the following (a) (b) (c) (d) (1) (iii) (i) (ii) (iv) (2) (ii) (iv) (i) (iii) (3) (iii) (iv) (i) (ii) (4) (iii) (ii) (i) (iv)

Given below are two statements: Statement I: $Cr^{2+}$ is oxidising agent and $Mn^{3+}$ is a reducing agent in nature. Statement II: $Sc^{3+}$ compounds are repelled by the applied magnetic field. In light of the above statements, choose the most appropriate answer from the options given below:

The correct order of ionic radii of $Y^{3+}$, $La^{3+}$, $Eu^{3+}$, and $Lu^{3+}$ is: (Atomic nos. Y = 39, La = 57, Eu = 63, Lu = 71)

Considering the following reaction, $$3 MnO_4^{2-} + 2 H_2O \rightleftharpoons 2 MnO_4^{-} + MnO_2 + 4 OH^{-}$$ The reagent that facilitates the removal of $OH^{-}$ ions to ensure the completion of the conversion of $K_2MnO_4$ to $KMnO_4$ is:

Which one of the following ions has electronic configuration $[Ar]3d^6$? (At. no: $Mn = 25, Fe = 26, Co = 27, Ni = 28$)

Identify the incorrect statement:

Which one of the following anions is present in chain structure silicates?

The decrease in size from left to right in the actinoid series is greater and more gradual than that in the lanthanoid series due to:

Colourless ion among the following is:

In a Borax bead test, which compound is formed?

For the reaction $PbO_2 \rightarrow PbO$, $\Delta G_{298} < 0$, and for the reaction $SnO_2 \rightarrow SnO$, $\Delta G_{298} > 0$. The most probable oxidation states of Pb and Sn will be respectively:

Which of the following is a coloured and paramagnetic compound?

The volume occupied by one water molecule (density = $1 \text{ g cm}^{-3}$) is:

If $1 \text{ gram}$ of sodium hydroxide was treated with $25 \text{ mL}$ of $0.75 \text{ M}$ HCl solution, the mass of sodium hydroxide left unreacted is equal to:

Match the following concerning essential elements and their functions in plants (a) Iron (i) Photolysis of water (b) Zinc (ii) Pollen germination (c) Boron (iii) Required for chlorophyll biosynthesis (d) Manganese (iv) IAA biosynthesis

What is the correct relationship between changes in enthalpy and internal energy within the following options?

Select the incorrect statement.

Which among the following species has a triangular planar shape?