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Which one of the following reaction sequences is the incorrect method to prepare phenol?
The correct state of hybridisation of C2, C3, C5 and C6 of the hydrocarbon $$ \overset{1}{\text{HC}} \equiv \overset{2}{\text{C}} - \overset{3}{\text{CH}}_2 - \overset{4}{\text{CH}} = \overset{5}{\text{CH}} - \overset{6}{\text{CH}}_3 $$ is in the sequence:
When a liquid boils, there is [JIPMER 2002]:
Which of the following options correctly represents the relationship between $C_P$ and $C_V$ for one mole of an ideal gas?
Identify the major product obtained in the following reaction:
The correct increasing order of basic strength of the given molecules is: (I) (II) (III)
Which amine reacts with Hinsberg's reagent to produce an alkali insoluble product?
Dihedral angle of least stable conformer of ethane is :
In a regular octahedral molecule, $MX_{6}$, the number of $X–M–X$ bonds at 180º is:
Which one of the following vitamins is water-soluble?
The products formed when Aniline reacts with $Br_2$ water, and $NaNO_2/HCl$ will be, respectively:
Tritium, a radioactive isotope of hydrogen, emits which of the following particles?
The number of Faradays (F) required to produce $20 \text{ g}$ of calcium from molten $\text{CaCl}_2$ (Atomic mass of Ca = $40 \text{ g mol}^{-1}$) is:
The efficiency of a fuel cell is given by:
The compound which shows metamerism is :
The product formed from the following reaction sequence is:
In which of the following molecules are all the bonds not equal?
Zr ($Z = 40$) and Hf ($Z = 72$) have similar atomic and ionic radii because of :
Isotonic solutions have the same:
When electromagnetic radiation of wavelength $300 \text{ nm}$ falls on the surface of a metal, electrons are emitted with the kinetic energy of $1.68 \times 10^5 \text{ J mol}^{-1}$. The minimum energy needed to remove one mole of electron from the metal is: (Given: $h = 6.626 \times 10^{-34} \text{ J s}$, $c = 3 \times 10^8 \text{ m s}^{-1}$, $N_A = 6.022 \times 10^{23} \text{ mol}^{-1}$)