JEE Main 2023 · ChemistryNumerical answerNumerical valueHardMulti-step

JEE Main 12 April 2023, Shift 1, Chemistry Q88

Question 88 of 90 in this shift, Chemistry question 28 of 30, Section B.

[figure:

\mathrm{H_5C_2O-C_6H_4-CH_2CHO}

(para-substituted benzene) --(i)

\mathrm{NH_4Cl/KCN}

, (ii)

\mathrm{H_2SO_4/H^+}

--> 'A' --Conc.

\mathrm{HNO_3-H_2SO_4}

(2eq)--> 'B' --(i)

\mathrm{(CH_3CO)_2O}

, (ii) EtOH,

\Delta

, (iii)

\mathrm{H_2}

, Pd/C, (iv)

\mathrm{HNO_2}

, (v) NaI--> 'D' (

\mathrm{C_xH_{19}NO_4I_2}

)] The value of

x

in compound 'D' is ______

The figure, in words

Reaction scheme: p-ethoxyphenylacetaldehyde (H5C2O on a benzene ring para to CH2CHO) with (i) NH4Cl/KCN (ii) H2SO4/H+ gives 'A'; A with conc. HNO3-H2SO4 (2eq) gives 'B'; B with the sequence (i) (CH3CO)2O (ii) EtOH, heat (iii) H2, Pd/C (iv) HNO2 (v) NaI gives 'D' with formula CxH19NO4I2.

Official answer

NTA final key.

Chapter: Amines
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy