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Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Which of the following is an amphoteric hydroxide?
Which one of the following orders correctly represents the increasing acid strengths of the given acids?
In the following reaction, What will be the major product?
$\text{CCl}_2\text{F}_2$ is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called:
Two thin lenses are of same focal lengths ($f$), but one is convex and the other one is concave. When they are placed in contact with each other, the equivalent focal length of the combination will be
The equilibrium concentration of the species in the reaction $\text{A} + \text{B} \rightleftharpoons \text{C} + \text{D}$ are $2$, $3$, $10$ and $6\text{ mol L}^{-1}$, respectively at $300\text{ K}$. $\Delta G^\circ$ for the reaction is: ($R = 2\text{ cal/mol K}$)
$K_p$ for the following reaction is $3.0$ at $1000\text{ K}$. $\text{CO}_2(g) + \text{C}(s) \rightleftharpoons 2\text{CO}(g)$ The value of $K_c$ for the reaction at the same temperature is: (Given: $R = 0.083\text{ L bar K}^{-1} \text{mol}^{-1}$)
In Negative operon:
The dissociation constants for acetic acid and HCN at $25^\circ \text{C}$ are $1.5 \times 10^{-5}$ and $4.5 \times 10^{-10}$, respectively. The equilibrium constant for the equilibrium, $CN^- + CH_3COOH \rightleftharpoons HCN + CH_3COO^-$ would be:
Which of the following is the most preferred method for preparing pure alkyl chlorides from alcohols?
Identify the statement that is incorrect regarding chirality:
What is the $[OH^-]$ in the final solution prepared by mixing $20.0 \text{ mL}$ of $0.050 \text{ M}$ HCl with $30.0 \text{ mL}$ of $0.10 \text{ M } Ba(OH)_2$?
$\text{C}_6\text{H}_5\text{CH}_2\text{Br} \xrightarrow[2.\text{ H}_3\text{O}^+]{1.\text{ Mg, Ether}} \text{X}$ The product 'X' in the above reaction is:
Identify the incorrect statement related to $PCl_5$ from the following:
Which one is the most reactive toward $S_N1$ reaction?
The compound that will react most readily with gaseous bromine has the formula:
The half life of a radioactive substance is 20 minutes. In how much time, the activity of substance drops to $\frac{1}{16}$ of its initial value?
Which of the following reactions cannot form new carbon-carbon bonds?
The compound that will undergo $\text{S}_\text{N}1$ reaction with the fastest rate is: