List of top Chemistry Questions asked in KEAM

Which among the following has the highest molar elevation constant?
In which of the following cases does manganese have a +7 oxidation state?
Common oxidation state of Cr?
What technique is used to separate chloroform from aniline?
The disease is caused by a deficiency of riboflavin.
The reaction shown is: \[ \text{Phenol} + \text{CHCl}_3 + \text{NaOH} \rightarrow \text{Salicylaldehyde} \] What is the name of the above reaction?
What is the de Broglie wavelength of the particle having kinetic energy of $ 2E $?
Find the half-life of a first order reaction if $ K = 2.31 \times 10^5 \, \text{s}^{-1} $.
Ethyl alcohol on reaction with $ H_2SO_4 $ at 413 K gives:
Which complex has dsp$^2$ hybridisation?
Write the product of the reaction: $ \text{CH}_3 \text{CH}_2 \text{CH}_2 \text{O} \text{Na} + \text{C}_6 \text{H}_5 \text{Br} \to ? $
What is incorrect for Bond order?
Formula of chromium ore?
Which has a higher boiling point ?
What is the hydration enthalpy of sucrose?
Find the log $ K $ value, if $ \Delta G = -11.4 $ and $ 2.303 \cdot RT = 5.7 \times 10^1 $.
Bromomethane on reaction with Na and dry ether gives:
Which of the following are neutral?
Which is a Lewis acid?
Given the reaction: $ \text{Cr}_2\text{O}_7^{2-} + x e^- + y H^+ \to 2 \text{Cr}^{3+} + z H_2O $ Find the values of $x$, $y$, and $z$.
IUPAC name of allyl amine?

Which of the following cannot form hydrogen bonding?
A) Phenol  
B) Diethyl ether 
C) Aniline 

Phenol is treated with conc. $ H_2SO_4 $, and then with conc. $ HNO_3 $. The compound A and B are formed.
In which reaction is Benzyl chloride converted to Benzaldehyde?
Which of the following is an interstitial compound?