List of top Chemistry Questions asked in KEAM

Find the log $ K $ value, if $ \Delta G = -11.4 $ and $ 2.303 \cdot RT = 5.7 \times 10^1 $.
Which complex has dsp$^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 ? $
Phenol is treated with conc. $ H_2SO_4 $, and then with conc. $ HNO_3 $. The compound A and B are formed.
IUPAC name of allyl amine?
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 $z$.
Which is a Lewis acid?

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

In which reaction is Benzyl chloride converted to Benzaldehyde?
Which of the following is an interstitial compound?
How many bridging complexes are there in $ \text{[Mg(Co)}_{10}\text{]} $?
Ethanol is made unfit for drinking by adding?

Find the incorrect statement: 
A) Isobaric - constant pressure 
B) Isochoric - constant volume 
C) Isothermal - constant temperature 
D) Adiabatic - involves heat exchange

Entropy decreases in which of the following reactions? $ \text{(A) } \text{Br}_2 (l) \to \text{Br}_2 (g) $ $ \text{(B) } \text{Br}_2 (g) \to \text{Br}_2 (l) $ $ \text{(C) } \text{Br}_2 (l) \to \text{Br}_2 (g) \text{ and } \text{Br}_2 (g) \to \text{Br}_2 (l) $
Total number of orbitals when \( n = 3 \)?
Matrix match: Match the items in the list with the appropriate compounds.

Matrix match
  • i) Non-reducing disaccharide → c) Sucrose
  • ii) Reducing disaccharide → e) Maltose
  • iii) Aldohexose → b) Glucose
  • iv) Ketohexose → a) Fructose
  • v) Polysaccharide → d) Lactose
What is the Reimer Tieman reaction?
What is Layer's test?
When sodium nitroprusside is added to sodium fusion extract the presence of sulphur is indicated by the formation of a violet colored complex. Its formula is
The correct electronic configuration of Uranium (Z=92) is
Gatterman reaction is used to convert benzene diazonium chloride to

The following results were obtained in the gas phase reaction between nitric oxide and oxygen at a given temperature.

Which of the following is an example of pseudo first order reaction?
Which of the following groups is deactivating ortho-para directing in aromatic electrophilic substitution?
The decreasing order of reactivity of butyl bromides in \(S_N2\) reaction is