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CH_3CHO and C_6H_5CH_2CHO can be distinguished by:
Which one of the followings has maximum number of atoms ?
n-Propyl alcohol and Isopropyl alcohol can be chemically distinguished by which reagent:
Which of the following statements is correct for a reversible process in a state of equilibrium?
The half-life of a certain enzyme catalysed reaction is 138 s, that follows 1st order kinetics. The time required for the concentration of the substance to fall from $1.28 \text{ mg L}^{-1}$ to $0.04 \text{ mg L}^{-1}$, is:
The mixture which shows positive deviation from Raoult's law is
The correct corresponding order of names of four aldoses with configuration given below respectively, is
A compound, among the following, that cannot be classified as a protonic acid is:
The hydrolyzed product of an ester, when reduced by $LiAlH_4$, gives:
Which one of the following ions is the most stable in aqueous solution? (At no. Ti=22, V=23, Cr=24, Mn=25)
The correct IUPAC name of the following compound is:
At $25^\circ\text{C}$, molar conductance of $0.1 \text{ molar}$ aqueous solution of ammonium hydroxide is $9.54 \text{ ohm}^{-1}\text{cm}^2\text{mol}^{-1}$ and at infinite dilution, its molar conductance is $238 \text{ ohm}^{-1}\text{cm}^2 \text{mol}^{-1}$. The degree of ionization of ammonium hydroxide at the same concentration and temperature is:
The final product C, obtained in this reaction, would be: [Reaction Scheme Missing]
The correct increasing order of basic strength of the given molecules is: (I) (II) (III)
Which one of the following species has a plane triangular shape?
Given that the equilibrium constant for the reaction $2\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\text{SO}_3(g)$ has a value of $278$ at a particular temperature, the value of the equilibrium constant for the following reaction at the same temperature will be: $\text{SO}_3(g) \rightleftharpoons \text{SO}_2(g) + \frac{1}{2} \text{O}_2(g)$
Given below are two statements: Statement I: A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. Statement II: When nucleoside is linked to a phosphorous acid at 5' position of sugar moiety, we get nucleotide. In the light of the above statements choose the correct answer from the options given below:
The compound which shows metamerism is :
Match Column-I (Reaction) with Column-II (Product formed) and mark the appropriate choice: **Column-I (Reaction)** (a) Gabriel synthesis (b) Kolbe synthesis (c) Williamson synthesis (d) Etard reaction **Column-II (Product formed)** (i) Benzaldehyde (ii) Ethers (iii) Primary amines (iv) Salicylic acid
What is the maximum numbers of electrons that can be associated with the following set of quantum numbers? n=3, l = 1 and m=-1