List of top Questions asked in AP EAPCET

Identify the sets in which enzyme, its source and enzyme reaction are correctly matched:
I) maltase, yeast; proteins $\rightarrow$ peptides
II) diastase, malt; starch $\rightarrow$ maltose
III) zymase, yeast; glucose $\rightarrow$ C$_2$H$_5$OH + CO$_2$

Which of the following contain $\alpha$-D-glucose units?
a) cane sugar b) milk sugar c) cellulose d) amylose

Consider the following statements: Statement-I: Primary structure of protein represents its constitution. Statement-II: \( \alpha \)-Helix and \( \beta \)-pleated sheet structure of protein represent tertiary structure of it. The correct answer is:

A diatomic molecule has a dipole moment of $ 4 \times 10^{-30} \, \text{Cm} $. If the bond distance is $ 1.0 \, \text{\AA} $, what fraction of an electronic charge exists on each atom? (Actual value of electronic charge = $ 1.6 \times 10^{-19} \, \text{C} $)

The pairs of compounds which have the same molecular geometry are
I) BF\textsubscript{3}, BrF\textsubscript{3}
II) XeF\textsubscript{2}, BeCl\textsubscript{2}
III) BCl\textsubscript{3}, PCl\textsubscript{3}
IV) PCl\textsubscript{3}, NCl\textsubscript{3}

If \(\alpha, \beta, \gamma\) are the roots of the equation \[ x^3 - 13x^2 + kx + 189 = 0 \] such that \(\beta - \gamma = 2\), then find the ratio \(\beta + \gamma : k + \alpha\).

The element whose percentage composition in an organic compound can be determined by Carius method is:

\( x \) mg of an organic compound was analysed by Kjeldahl method. The ammonia evolved was absorbed in 50 mL of 0.5 M \( H_2SO_4 \). The unused acid required 60 mL of 0.5 M \( NaOH \) solution for complete neutralisation. If the percentage of nitrogen in the compound is \( 56 \), the value of \( x \) is:

Identify the correct set from the following:

In the given reaction sequence, conversion of Acetophenone (\( C_6H_5COCH_3 \)) to Ethylbenzene (\( C_6H_5CH_2CH_3 \)) is an example of: \[ \text{CH}_3\text{COC/} \] \[ \text{Anhy. AlCl}_3 \xrightarrow{\text{X}} \xrightarrow{\text{(1) N}_2\text{H}_4} Y \] \[ \Delta \xrightarrow{\text{(2) KOH / glycol}} \]

Which one of the following compounds does not give benzoic acid when treated with alkaline \( KMnO_4 \)?

The element whose percentage composition in an organic compound can be determined by Carius method is:

Identify the correct set from the following:

IUPAC names of the given compounds (I) and (II) are respectively

Identify the most stable carbocation from the following

The structures of succinic acid (X) and malonic acid (Y), respectively, are: