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For the second period elements the correct increasing order of first ionisation enthalpy is:
Cyanohydrin of which of the following compounds on hydrolysis gives an optically active product?
Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?
In a reaction of aniline a coloured product C was obtained. The structure of C would be:
The correct statement regarding the basicity of arylamines is:
Match the reactions listed in List-I with the appropriate reagents or conditions listed in List-II: **List-I (Reaction)** Data Missing **List-II (Reagents/ Condition)** I. Data Missing II. $CrO_3$ III. $KMnO_4, KOH, \Delta$ IV. (i) $O_3$ (ii) $Zn-H_2O$ Choose the correct answer from the options given below:
Match List-I with List-II. | List-I (Products formed) | List-II (Reaction of carbonyl compound with) | | :--- | :--- | | (a) Cyanohydrin | (I) $NH_2OH$ | | (b) Acetal | (II) $RNH_2$ | | (c) Schiff's base | (III) Alcohol | | (d) Oxime | (IV) $HCN$ |
Nitrobenzene on reaction with conc. $HNO_3 / H_2SO_4$ at $80 - 100^\circ\text{C}$ forms:
The final product C, obtained in this reaction, would be: [Reaction Scheme Missing]
The reaction of concentrated sulphuric acid with carbohydrates ($\text{C}_{12}\text{H}_{22}\text{O}_{11}$) is an example of:
Given below are two statements: **Statement I:** The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole-dipole interactions. **Statement II:** The boiling points of aldehydes and ketones are lower than the alcohols of similar molecular masses due to the absence of H-bonding. In the light of the above statements, choose the most appropriate answer from the options given below:
The compound that does not give an iodoform test is:
Mark the reaction that does not yield aniline from the given options:
The reaction of propanamide with ethanolic sodium hydroxide and bromine will give:
Which of the following is not a correct statement?
Given below are two statements: Statement I: Benzoic acid produces effervescence on treatment with aq. $NaHCO_3$. Statement II: The effervescence is due to the release of hydrogen gas. In the light of the above statements, choose the most appropriate answer from the options give below:
The product formed from the following reaction sequence is [Reaction Sequence Missing]
Among the given reactions, which one does not result in the formation of a primary amine as the product? [Options Missing]
Which of the following statement is not true about glucose?
Which is the correct statement among the following?