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For the second-period elements, the correct increasing order of first ionisation enthalpy is:
Consider the following reaction sequence: $$\text{Ethanol} \xrightarrow{PBr_3} X \xrightarrow{\text{Alc. KOH}} Y \xrightarrow[(ii) H_2O, \Delta]{(i) H_2SO_4, \text{room temp.}} Z$$ The product Z is:
The incorrect match among the following is:
The sequence of ionic mobility in aqueous solution is:
The correct statement among the following is:
What would be the proportions of light and hybrid density DNA molecules, respectively, if Meselson and Stahl's experiment was continued for 60 minutes?
Identify the final product [D] obtained in the following sequence of reactions: [Reaction Sequence Missing]
The most acidic compound among the following is:
Match List-I (Elements) with List-II (Atomic radii (pm)): | List-I (Elements) | List-II (Atomic radii in pm) | | :--- | :--- | | (a) Oxygen | (i) 88 | | (b) Carbon | (ii) 74 | | (c) Boron | (iii) 66 | | (d) Nitrogen | (iv) 77 |
The correct sequence given below contains neutral, acidic, basic, and amphoteric oxide each, respectively is:
Incorrect statement among the following is:
Order of acidic strength of the following compounds will be: [Note: Specific structures for A, B, C, and D were not provided in the input, but typically involve Phenol and substituted phenols]
The product 'D' in the following reaction is: $$CH_3CN \xrightarrow{H_3O^+} A \xrightarrow{NH_3, \Delta} B \xrightarrow{NaOBr} C \xrightarrow{NaNO_2/HCl} D$$
Consider the following reaction and identify the product (P): [Specific Reaction Image Missing - Likely Reaction of 3-Methylbutan-2-ol with HBr]
Identify A and predict the type of reaction involved in its formation.
Which one of the following alcohols reacts instantaneously with Lucas reagent?
Among the following ethers, the one that will produce methyl alcohol on treatment with hot concentrated HI is:
Which amongst the following will be most readily dehydrated under acidic conditions?
Which acid does not exhibit optical isomerism?
Identify product A and predict the type of reaction in the following transformation: $$p\text{-}O_2N\text{-}C_6H_4\text{-}Cl \xrightarrow[\text{(ii) } H^+]{\text{(i) } NaOH, 443 K} A$$