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JEE Mains | PYQ

\( 0.01 \) mole of an organic compound \( (X) \) containing \( 10\% \) hydrogen, on complete combustion produced \( 0.9 \, \text{g} \) \( \mathrm{H_2O} \). Molar mass of \( (X) \) is ________ \( \text{g mol}^{-1} \).

Given below are two statements:
Statement I: The conversion proceeds well in the less polar medium.

Statement II: The conversion proceeds well in the more polar medium.

In the light of the above statements, choose the correct answer from the options given below:

When \( 81.0 \, \text{g} \) of aluminium is allowed to react with \( 128.0 \, \text{g} \) of oxygen gas, the mass of aluminium oxide produced in grams is ________. (Nearest integer)
Given: Molar mass of Al is \( 27.0 \, \text{g mol}^{-1} \)
Molar mass of O is \( 16.0 \, \text{g mol}^{-1} \)

Given below are two statements:

Statement-I : will undergo alkaline hydrolysis at a faster rate than

Statement-II : intramolecular substitution takes place first by involving lone pair of electrons on nitrogen.

In the light of the above statements, choose the most appropriate answer
from the options given below: