List of top Questions asked in KEAM- 2025

Four digit numbers are formed using \( 0, 3, 4, 5, 9, 8 \) without repetitions. Then the number of such 4 digit numbers is
Match the vitamins in Column I with their sources in Column II.

In the following reaction, the final product B is:
C\(_6\)H\(_5\)NH\(_2\) + (CH\(_3\)CO)\(_2\)O (Pyridine) \(\rightarrow\) A \(\xrightarrow{Br, CH_3COOH}\) B

Which of the following does not undergo Cannizzaro reaction?
Which one of the following compounds undergoes HVZ reaction?
Identify the correct sequence of reactions and products for the following scheme.

The correct decreasing order of acidic strength is
The order of reactivity towards \( \text{S}_\text{N}2 \) reaction among the following is
\[ (a)\ \text{CH}_3\text{CH}_2\text{Cl} \quad (b)\ \text{CH}_3\text{CH(Cl)}\text{CH}_3 \quad (c)\ \text{(CH}_3\text{)}_3\text{CCI} \quad (d)\ \text{CH}_3\text{CH}_2\text{Cl} \]
Which of the following hydrocarbon pair have the highest boiling point and highest melting point respectively?
Which of the following statement is INCORRECT with Kolbe's electrolytic process?
Which of the following is not an electron withdrawing group?
The isomerism exhibited by the octahedral complex $[\mathrm{Co(NH_3)_4Br_2}]Cl$ is:
The IUPAC name of $[\mathrm{Fe(CO)_5}]$ is:
The correct order of ionic radii of Ce, La, Pm and Yb in \( +3 \) oxidation state is
Which of the following statement is INCORRECT?
\(CrO_3\) is a/an
Which of the following outermost electronic configuration of the element shows the highest oxidation state?
Which of the following is a zero order reaction?
The first order rate constant for the decomposition of \( \text{N}_2\text{O}_5 \) is \( 6.93 \times 10^{-4}\, \text{sec}^{-1} \). Its half-life period is
The osmotic pressure of \( 0.01\,M \) aqueous solution of urea at \( 300\,K \) is \((R = 0.082\,\text{lit atm mol}^{-1}\text{K}^{-1})\)
Which of the following statement is true for the electrochemical, Daniel cell?
Which of the following statement is INCORRECT for the concept of oxidation?
The question text is cut off in the image, so the full data for this question is not visible. Only the ending part
“\(\dots\) mole of \(CH_3COONa\). The \([H^+]\) in the resultant solution is”
and the given value
\[ K_a(CH_3COOH)=1.1\times 10^{-5} \] are visible. Therefore, the complete numerical information needed to solve this question is missing.
The pH of a solution is \( 4 \) then its \( \text{OH}^- \) ion concentration (in mol dm\(^{-3}\)) is
Given: $\Delta_r H^{+}(\text{Ag}^+)=105.6\ \text{kJ mol}^{-1}$, $\Delta_r H^{+}(\text{Cl}^-)=-167.2\ \text{kJ mol}^{-1}$, and $\Delta_r H^{+}(\text{AgCl})=-127.1\ \text{kJ mol}^{-1}$, find the value of $\Delta_r H$.