List of practice Questions

A transition metal 'M' among Sc, Ti, V , Cr, Mn and Fe has the highest second ionisation enthalpy. The spin only magnetic moment value of M+
ion is ______ BM (Near integer) (Given atomic number Sc : 21, Ti : 22, V : 23, Cr : 24, Mn : 25, Fe : 26)

The electronic configuration of Einsteinium is :(Given atomic number of Einsteinium = 99)

Match List I with List II

List-I	List-II
A. Melting point [K]	I. Tl > In > Ga > Al > B
B. Ionic Radius [M³/pm]	II. B > Tl > Al ≈ Ga ≈ In
C. Δ_iH₁ [kJ mol^-1]	III. Tl > In > Al > Ga > B
D. Atomic Radius [pm]	IV. B > Al > Tl > In > Ga

Choose the correct answer from the options given below:

Match List I with List II

List-I (Element)	List-II (Electronic Configuration)
A. N	I. [Ar] 3d¹⁰ 4s² 4p⁵
B. S	II. [Ne] 3s² 3p⁴
C. Br	III. [He] 2s² 2p³
D. Kr	IV. [Ar] 3d¹⁰ 4s² 4p⁶

Choose the correct answer from the options given below:

The incorrect statement regarding ethyne is

Given below are two statements :
Statement I : The higher oxidation states are more stable down the group among transition elements unlike p-block elements.
Statement II : Copper can not liberate hydrogen from weak acids.
In the light of the above statements, choose the correct answer from the options given below

For a sparingly soluble salt $ \text{AB}_2 $, the equilibrium concentrations of $ \text{A}^{2+} $ ions and $ \text{B}^- $ ions are $ 1.2 \times 10^{-4} \, \text{M} $ and $ 0.24 \times 10^{-3} \, \text{M} $, respectively. The solubility product of $ \text{AB}_2 $ is:

In the above reaction product ’P’ is

The coordination environment of $ \text{Ca}^{2+} $ ion in its complex with $ \text{EDTA}^{4-} $ is:

Match List I with List II

LIST-I	LIST-II
A. K₂[Ni(CN)₄]	I. sp³
B. [Ni(CO)₄]	II. sp³d²
C. [Co(NH₃)₆]Cl₃	III. dsp²
D. Na₃[CoF₆]	IV. d²sp³

Choose the correct answer from the options given below:

Match List I with List II

Choose the correct answer from the options given below:

The correct increasing order for bond angles among $ \text{BF}_3, \, \text{PF}_3, \, \text{and} \, \text{CF}_3 $ is:

Total number of stereo isomers possible for the given structure:

The correct stability order of the following resonance structures of $ \text{CH}_3 - \text{CH} = \text{CH} - \text{CHO} $ is:

The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency $ 'A' \times 10^{12} \, \text{hertz} $ and that has a radiant intensity in that direction of $ \frac{1}{'B'} \, \text{watt per steradian} $. 'A' and 'B' are respectively:

A force $ (3x^2 + 2x - 5) \, \text{N} $ displaces a body from $ x = 2 \, \text{m} $ to $ x = 4 \, \text{m} $. The work done by this force is _________ J.

The resultant of two vectors $ \vec{A} $ and $ \vec{B} $ is perpendicular to $ \vec{A} $ and its magnitude is half that of $ \vec{B} $. The angle between vectors $ \vec{A} $ and $ \vec{B} $ is ________ .

A circular disc reaches from top to bottom of an inclined plane of length $ l $. When it slips down the plane, it takes $ t $ s. When it rolls down the plane, then it takes \[ \left( \frac{\alpha}{2} \right)^{1/2} t \, \text{s}, \] where $ \alpha $ is __________ .

An electric field $ \vec{E} = (2x \hat{i}) \, \text{N C}^{-1} $ exists in space. A cube of side $ 2 \, \text{m} $ is placed in the space as per the figure given below. The electric flux through the cube is __________ $ \text{N m}^2/\text{C} $.

A particle of mass $ 0.50 \, \text{kg} $ executes simple harmonic motion under force $ F = -50 \, (\text{N m}^{-1}) x $. The time period of oscillation is $ \frac{x}{35} \, \text{s} $. The value of $ x $ is $ \dots \dots \dots \dots $. \[ \text{(Given } \pi = \frac{22}{7} \text{)} \]

A straight magnetic strip has a magnetic moment of $ 44 \, \text{A m}^2 $. If the strip is bent in a semicircular shape, its magnetic moment will be $ \dots $ A m$^2$. \[ \text{(Given } \pi = \frac{22}{7} \text{)} \]