Arrange the following compounds in increasing order towards Nucleophilic addition reactions:
(A) Propanal
(B) Benzaldehyde
(C) Acetone
(D) Di-tert-butyl ketone
Choose the correct answer from the options given below:

The partial vapour pressure of an electrolyte at the following concentrations,
decreases in the order
(A) 0.5 M
(B) 0.1 M
(C) 0.05 M
(D) 0.001 M
Choose the correct answer from the options given below:

Process of sone reflning is used in the purification of

Read the passage carefully and answer the questions
Optically active polyhydroxy aldehydes or ketones or molecules which provide such units on hydrolysis are called carbohydrates. They can be broadly classified as monosaccharides, disaccharides and polysaccharides depending on their behavior towards hydrolysis. They are also classified as reducing or non-reducing sugars. Another class of biomolecules is proteins which are polymers of twenty different amino acids linked by peptide bonds. Amino acids can be classified as acidic, basic or neutral depending on the relative number of amino and carboxyl groups in their molecule. The essential amino acids cannot be synthesized by our body and hence must be provided through diet. Nucleic acids are the polymers of nucleotides which in turn consist of a base, pentose sugar and phosphate. There are two types of nucleic acids namely, DNA and RNA which differ in the composition of sugar and a base
"Maltose" disaccharide is composed of

"Answer the question on basis of passage given below:
\(G = \frac{\kappa A}{l}\) =k(both \(A\) and \(l\) are unity in their appropriate units in m or cm)
Molar conductivity of a solution at a given concentration is the conductance of the volume \(V\) of solution containing one mole of electrolyte kept between two electrodes with area of cross section \(A\) and distance of unit length (\(l\)). Therefore,
\(\Lambda_m = \frac{\kappa A}{l}\)
Since \(l = 1\) and \(A = V\) (volume containing 1 mole of electrolyte),
\(\Lambda_m = \kappa V\)
Molar conductance for 0.2 M AgCl solution showing resistance of 40 \(\Omega\) in a cell having distance between electrodes as 2 cm and surface area of 4 cm\(^2\) will be:"

Arrange the following compounds in the increasing order of their acidic strength :
(A) 3,5-dinitrophenol
(B) Propan-1-ol
(C) 2,4,6-trinitrophenol
(D) 3-nitrophenol
(E) 4-methyl phenol
Choose the correct answer from the options given below :

Which of the following is not tetrahedral in shape?

At sunrise and sunset the sun appears reddish due to

An inductor coil joined to a 12 V battery draws a steady current of 12 A. This coil is connected to a capacitor and ac source of rms voltage 12 V in series. What will be the rms current, if the current in the circuit is in phase with the emf?

Two coaxial solenoids having number of turns per unit length 50 and 200, respectively, have same length 50 cm. The area of cross-section of the two solenoids are \( 4 \, \text{cm}^2 \) and \( 6 \, \text{cm}^2 \), respectively. The mutual inductance of the two solenoids is:

The refractive index of water is \( \left(\frac{4}{3}\right) \) and that of glass is \( \left(\frac{3}{2}\right) \).
If the speed of light in glass is \( 2 \times 10^8 \text{ m/s} \), the speed of light in water will be:

The two curves \(x^3-3 x y^2+15=0\) and \(3 x^2 y-y^3+17=0\) :

Which of the following acts as bio fertilizer in paddy field?