List of practice Questions

The refractive index of a transparent liquid filled in an equilateral hollow prism is √2. The angle of minimum deviation for the liquid will be____.

A 20 cm long metallic rod is rotated with 210 rpm about an axis normal to the rod passing through its one end. The order end of the rod is in contact with a circular metallic ring. A constant and uniform magnetic field 0.2T parallel to the axis exists everywhere. The emf developed between the centre and the ring is ____ mV.

An electron in a hydrogen atom revolves around its nucleus with a speed of 6.76 × 106 ms-1 in an orbit of radius 0.52 A°. The magnetic field produced at the nucleus of the hydrogen atom is _______T.

Which of the following expressions is correct in case of a C_SCl unit cell (edge length, a) ?

Consider the following statements:
(A) NF3 molecule has a trigonal planar structure. 
(B) Bond length of N2 is shorter than O2. 
(C) Isoelectronic molecules or ions have identical bond order. 
(D) Dipole moment of H2S is higher than that of water molecule. 
Choose the correct answer from the option below

Which of the following statement (s) is (are) correct?
(a) The pH of 1 .0 x 10-8M solution of HCl is 8  
(b) The conjugate base of H2PO-4 is HPOI2-4  
(c) Autoprotolysis constant of water increases with temperature 
(d) When a solution of a weak monoprotic acid is treated against a strong base, at half - neutralisation point pH = (\(\frac{1}{2}\))pK_a.
Choose the correct answer from the the options given below

During water-gas shift reaction

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R:
Assertion (A): B_eCl₂ and MgCl₂ produce characteristic flame. 
Reason (R) : The excitation energy is high in B_eCl₂ and MgCl₂ 
In the light of the above statements, choose the correct answer from the option given below

The complex with highest magnitude of crystal field splitting energy (Δ0) is

A' formed in the above reaction is

Decreasing order of reactivity towards electrophilie substitution for the following compounds is

In the above conversion the correct sequence of reagents to be added is

The Product formed in the following multistep reaction is

Consider the following sequence of reactions:

The product 'B' is

Match List I with List II:

List I - (Monomer)	List II - (Polymer)
(A) Tetrafluoroethene	(I) Orlon
(B) Acrylonitrile	(II) Natural rubber
(C) Caprolactam	(III) Teflon
(D) Isoprene	(IV) Nylon-6

Choose the correct answer from the options given below:

Which is not true for arginine?

Which of the following statement is correct for paper chromatography?

The difference of the order and the degree of the differential equation \[ \Big( \frac{d^2 y}{dx^2} \Big)^2 + \Big( \frac{dy}{dx} \Big)^3 + x^4 = 0 \text{ is:} \]

Evaluate $\displaystyle \int \frac{\cos 2x}{\sin^2 x \cdot \cos^2 x} dx$

The integrating factor of the differential equation $(3x^2 + y) \frac{dx}{dy} = x$ is:

If matrix $A = \begin{bmatrix} 1 & -1 \\ -1 & 1 \end{bmatrix}$ and $A^2 = kA$, then the value of $k$ is:

It is given that \[ X \begin{bmatrix} 3 & 2 \\ 1 & -1 \end{bmatrix} = \begin{bmatrix} 4 & 1 \\ 2 & 3 \end{bmatrix}. \text{ Then matrix X is:} \]