List of practice Questions

Hydrolysis of the minor product formed from the reaction of 1-Bromo propane and ethanolic KCN given
The rate of reaction of t-butyl bromide and NaOH in water depends on the concentration of
Which of the following reactions takes places when tertiary butanol passed over heated copper at 573 K ?
Identify the major product from the following reaction sequence.
major product from the following reaction sequence.
With reference to the carbonyl group which statement(s) is/are correct? a) Carbonyl Carbon is electrophilic b) Carbonyl Carbon is nucleophilic c) Carbonyl Oxygen is electrophilic d) Carbonyl Oxygen is nucleophilic
Freundlich adsorption isotherm fails at which of the following condition?
The no. of positively and negatively charged sols respectively in the following are TiO$_2$, blood, CdS, Cu, Ag, Clay, SiO$_2$, Fe$_2$O$_3$
Which of the following represents correct order of oxidizing power of halogens with water
Which of the following elements are not regarded as transition elements?
The decreasing order of acidic nature of the following compounds is
decreasing order of acidic nature of the following compounds
Ag crystallizes in fcc lattice. What is the total number of tetrahedral voids present in 540 g of Ag metal? (N$_A$ = Avagadro number, Ag atomic weight = 108 g mol$^{-1}$)
Hydration enthalpy of which of the following ions is highest?
Identify the correct statements from the following: (a) Alkali metals are strong reducing agents. (b) KO$_2$ is a diamagnetic oxide. (c) Lithium chloride exists as LiCl . 2H$_2$O
20 mL of gas A and 10 mL of gas B diffuses through a porous membrane separately in 1 minute. If the vapor density of B is X, what is the vapor density of A?
Identify the correct statements from the following. (i). For adiabatic process, $\Delta U = W_{adiabatic$} (ii). Work is a path function. (iii). Volume is an extensive property.
The minimum size of an antenna for transmitting electromagnetic waves at 1500 MHz is
Work function (W$_o$) values of six metals (in eV) are given below: Li \quad Mg \quad Cu \quad Ag \quad K \quad Na 2.42 \quad 3.7 \quad 4.8 \quad 4.3 \quad 2.25 \quad 2.3 How many of the above metals do not eject the electrons when they are made to strike with radiation of wavelength 400 nm? (h=$6.62 \times 10^{-34}$ Js)
The work function of a metal M is 6.3 eV. The wave length of the incident radiation required to just eject the electrons from its surface (in nm) is
In which of the following, elements are correctly arranged in the decreasing order of their second ionization enthalpies.
Identify the element which has highest second ionization enthalpy
In a plane electromagnetic wave, $U_E$ and $U_B$ are average energy densities of electric field and magnetic field respectively, then the correct option in the following is
Light of wavelength 1 nm belongs to the following class of waves
For the logic gates shown below, the correct output is
For the logic gates shown below, the correct output is
A radioactive element of mass 1 kg after N years is left with only 125 g. If the half life of the element is 12.5 y, then the value of N is
Two cells A and B are connected in the secondary circuit of a potentiometer one at a time and the balancing lengths are respectively 360 cm and 420 cm. If emf of A is 2.4 V, the emf of the second cell B is