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From the following, how many compounds contain at least one secondary alcohol?

Choose the correct answer from the options given below:

Consider the following reaction sequence

Compound \( (y) \) develops characteristic colour with neutral \( \mathrm{FeCl_3} \) solution.
Identify the INCORRECT statement from the following for the above sequence.

Identify the colour of compound ‘X’ in the sequence of the reaction.

Consider the following reaction :

Statement I : In the above reaction, product formed will be a mixture of benzyl alcohol and iodobenzene.
Statement II : In the above reaction, the \( -\mathrm{O{-}CH_2}- \) bond is cleaved to give the product.
In the light of the above statements, choose the correct answer from the options given below :

Consider the following reactions. Total number of electrons in the \( \pi \) bonds and lone pair of electrons in the product \( (X) \) is:

One mole of phenol is treated with dilute \( \mathrm{HNO_3} \) at \( 298 \, \text{K} \) to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound \( (X) \) is separated. The increase in percentage of oxygen in \( (X) \) with respect to phenol is ______ \( \times 10^{-1}\% \).
(Given molar mass in \( \text{g mol}^{-1} \) \( \mathrm{H:1} \) , \( \mathrm{C:12} \) , \( \mathrm{N:14} \) , \( \mathrm{O:16} \) )

Consider compounds A, B and C with following structural formulae
\( A = \mathrm{CH_3-CH_2-CH_2-CH_2-CH_2-OH} \)
\( B = \mathrm{CH_2=CH-CH_2-CH_2-CH_3} \)
\( C = \mathrm{HO-CH_2-CH_2-CH(OH)-CH_3} \)
For the conversion of B from A, reagent \( (D) \) required is ______ and structural formula of product \( (E) \) obtained when C undergoes same reaction using excess reagent \( (D) \) is ______.

A mixed ether (\( P \)), when heated with excess of hot concentrated hydrogen iodide produces two different alkyl iodides which when treated with aq. \( \mathrm{NaOH} \) give compound (\( Q \)) and (\( R \)), given yellow precipitate with \( \mathrm{NaOI} \). Identify the mixed ether (\( P \)) :

Amongst the following, the total number of compounds soluble in aqueous \( \mathrm{NaOH} \) at room temperature is:

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JEE Main 2026 6th April Evening Shift

Consider the following reactions. Total number of electrons in the \( \pi \) bonds and lone pair of electrons in the product \( (X) \) is: