The hormone which control the processes of burning of fats, proteins and carbohydrates, with liberation of energy in the body is :

Which of the following colligative property is associated with concentration in terms of molarity?

Pick the reactions which can be used to distinguish between n-propyl alcohol and isopropyl alcohol.
(A) Haloform reaction
(B) Dehydration
(C) Dehydrogenation with \(\mathrm{Cu} / 573 \mathrm{~K}\)
(D) Oxidation with \(\mathrm{CrO}_3\)
Choose the correct answer from the options given below:

Answer the question on basis of passage given below :
Look at the following chemical reactions and answer the following question:
(A) \(C_7H_8 \xrightarrow{\text{Conc. HNO}_3, 0^\circ C} (B) \xrightarrow{Sn/HCl} (C) \xrightarrow{NaNO_2/H_3O^+} (D) \xrightarrow{H_2O, Heat} (E)\)
(E) \(CH_3I \xrightarrow{KMnO_4/H^+} (F) \xrightarrow{H_3O^+} (G) \xrightarrow{NaOH} (H)\)
Which of the following compounds will form dimer ?

Match List-l with List-II

List-l	List-II
A. Methyl alcohol	I. Highly poisonous
B. Ethyl alcohol	II. Carbolic acid
C. Phenol	III. Highly soluble in water
D. Picric acid	IV. Turns blue litmus red

Choose the correct answer from the options given below :

In alcohols, carbon and oxygen atom are

Read the passage carefully and answer the Questions
In the formation of coordination complexes, if the inner \(d\) orbital \((n-1)d\) is used in hybridisation, the complex, is called an inner orbital or low spin or spin paired complex. And if it uses outer \(d\) orbital \((nd)\) in hybridisation (like \(sp^3d^2\)), it is called outer orbital or high spin or spin free complex. The degeneracy of the \(d\) orbitals has been removed due to ligand electron-metal electron repulsions in the complex. This splitting of the degenerate levels due to the presence of ligands in a definite geometry is termed as crystal field splitting. For coordination complexes, the magnetic moment is determined by the number of unpaired electrons and is calculated by using the 'spin-only' formula, \(\mu = \sqrt{n(n+2)}\) where \(n\) is the number of unpaired electrons and \(\mu\) is the magnetic moment in units of Bohr magneton \((BM)\). The coordination compounds are of great importance. These compounds are widely present in the mineral, plant and animal worlds and are known to play many important functions in the area of analytical chemistry, metallurgy, biological systems, industry and medicine.
\([Co(NH_3)_6]^{3+}\) and \([Ni(NH_3)_6]^{2+}\) respectively are

If \(\frac{d}{d x}\left[a x^3+a x^2+a x+1\right]=9 x^2+6 x+3\), then \(a\) is equal to :

White light is used to illuminate the two slits in a Young's double slit experiment. The separation between the slits is b and the screen is at a distance D from the slits. At a point on a screen directly in front of one of the slits, certain wavelength are missing. Some of these wavelengths are :
(A) \( \lambda = \frac{b^2}{D} \)
(B) \( \lambda = \frac{2b^2}{D} \)
(C) \( \lambda = \frac{b^2}{3D} \)
(D) \( \lambda = \frac{2b^2}{3D} \)
Choose the correct answer from the options given below :

Let \(i_E, i_C\) and \(i_B\) represent the emitter current, the collector current and base current respectively in a transistor Then:

In the given reaction \(CH_3CH_2OH + HCl \xrightarrow{Anhy ZnCl_2} X \xrightarrow{KCN(alc)} Y \xrightarrow{Na/Alcohol} Z\) \(Y\) and \(Z\) are:

Match List-l with List-II

List-I (Common Name)	List-II (IUPAC Name)
(A) Diisopropyl ketone	(I) 2-Methylpropanal
(B) Isobutyraldehyde	(II) Prop-2-enal
(C) Phthaldehyde	(III) 2,4-Dimethylpentan-3-one
(D) Acrolein	(IV) Benzene-1,2-dicarbaldehyde

Choose the correct answer from the options given below:

A random variable X has the following probability distribution :

X	0	1	2	3
P(X)	0.1	0.2	0.3	0.4

The variance of the X will be :