3,3-Dimethyl-2-butanol cannot be prepared by: Choose the correct answer from the options given below
Which of the following mixture gives a buffer solution with \text{pH} = 9.25 ? Given : \text{p}K_b(\text{NH}_4\text{OH}) = 4.75
Let [\cdot] denote the greatest integer function, and let f(x) = \min\{\sqrt{2}x, x^2\}. Let S = \{x \in (-2, 2) : \text{the function } g(x) = |x|[x^2] \text{ is discontinuous at }
Let f and g be functions satisfying f(x + y) = f(x)f(y), f(1) = 7 and g(x + y) = g(xy), g(1) = 1, for all x, y \in \mathbf{N}. If \sum_{x=1}^n \left(\frac{f(x)}{g(x)}\right) = 1960
Given below are two statements : Statement I: For a mechanical system of many particles total kinetic energy is the sum of kinetic energies of all the particles. Statement II: The
Number of solutions of \sqrt{3} \cos 2\theta + 8 \cos \theta + 3\sqrt{3} = 0, \theta \in [-3\pi, 2\pi] is:
The strain-stress plot for materials A, B, C and D is shown in the figure. Which material has the largest Young's modulus?
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Consider a ferromagnetic material : Assertion (A) : The individual atoms i
200\text{ cc} of x \times 10^{-3}\text{M} potassium dichromate is required to oxidise 750\text{ cc} of 0.6\text{ M} Mohr's salt solution in acidic medium. Here x = _____.
The sum of all the real solutions of the equation \log_{(x+3)}\left(6x^2 + 28x + 30\right) = 5 - 2\log_{(6x+10)}\left(x^2 + 6x + 9\right) is equal to
A block is sliding down on an inclined plane of slope \theta and at an instant t = 0 this block is given an upward momentum so that it starts moving up on the inclined surface with
Consider two Group IV metal ions \text{X}^{2+} and \text{Y}^{2+}. A solution containing 0.01\text{M} \text{X}^{2+} and 0.01\text{M} \text{Y}^{2+} is saturated with \text{H}_2\text{
Grignard reagent \text{RMgBr(P)} reacts with water and forms a gas (Q). One gram of Q occupies 1.4\text{dm}^3 at STP. (P) on reaction with dry ice in dry ether followed by \text{H}
The correct order of acidic strength of the major products formed in the given reactions is: \text{A. } \text{PhNH}_2 \xrightarrow[\text{(2) }\text{CuCN}]{\text{(1) }\text{NaNO}_2
In IUPAC nomenclature, the correct order of decreasing priority of functional group is :
Match List-I with List-II. \begin{tabular}{|l|l|} \hline List-I Mass of substance & List-II Number of atoms \\ \hline A. 1.8\text{ mg} water & I. 2 \times 10^{-4} \times N_A \\ B.
Given below are two statements: Given: Molar mass of \text{C}, \text{H}, \text{O}, \text{Cl} are 12, 1, 16\text{ and } 35.5\text{ g mol}^{-1}, respectively. Statement I: In 30\%(\t
Bromine trifluoride autoionizes to form \text{BrF}_2^\oplus and \text{BrF}_4^\ominus. The shapes of the cation and anion are respectively _____ , and _____ .
Which of the following statements are not correct? A. For water, magnitude of K_b is more than the magnitude of K_f. B. The elevation in boiling point of water when a volatile solu
Consider the following reactions in which all the r tants and products are present in gaseous state 2xy \rightleftharpoons x_2 + y_2 \quad K_1 = 2.5 \times 10^5 xy + \frac{1}{2}z_2
Given at 298\text{ K} : E_{\text{Fe}^{2+}/\text{Fe}}^\Theta = X\text{ Volt}; E_{\text{Fe}^{3+}/\text{Fe}}^\Theta = Y The E_{\text{Fe}^{3+}/\text{Fe}^{2+}}^\Theta in Volt at 298\tex
Given below are two statements: R = 8.314\text{ J K}^{-1}\text{ mol}^{-1} and 1\text{cal} = 4.2\text{ J} Statement I: When E_a = 12.6\text{kcal/mol}, the room tem perature rate con
Match List-I with List-II \begin{tabular}{|l|l|l|l|} \hline \multicolumn{2}{|l|}{List-I Electronic configuration of neutral atom (where n = 2)} & \multicolumn{2}{|l|}{List-II 1^{\t
Find the correct statements related to group 15 hydrides. A. Reducing nature increases from \text{NH}_3 to \text{BiH}_3 B. Tendency to donate lone pair of electrons decreases from
Given below are two statements : Statement I : The num- ber of pairs among [\text{Ti}^{4+}, \text{V}^{2+}], [\text{V}^{2+}, \text{Mn}^{2+}], [\text{Mn}^{2+}, \text{Fe}^{3+}] and [\
Given below are two statements for catalytic propertie transition metals. Statement I: First row transition me which act as catalyst utilise their 3d electrons only formation of bo
Given below are two statements: Statement I: Vapour the liquid with higher boiling point condense be vapours of the liquid with lower boiling points in f tional distillation. State
The major product of which of the following reactio not obtained by rearrangement reaction?
The total number of aromatic compounds/species from the following is
n-Butane on monochlorination under photochemical condition gives an optically active compound " P ". "P" on further chlorination gives dichloro compounds. The number of dichloro co