List of top Chemistry Questions asked in KCET

The value of 'A' in the equation \( \lambda_m = \lambda_m^0 - A\sqrt{C} \) is same for the pair

The number of atoms in 4.5 g of a face-centred cubic crystal with edge length 300 pm is:

In the given sequence of reactions, identify ‘P’, ‘Q’ and ‘S’ respectively:

$\alpha$-D-(+)-glucose and $\beta$-D-(+)-glucose are:

A haloalkane undergoes $S_{N^2}$ or $S_{N^1}$ reaction depending on:

The type of linkage present between nucleotides is:

In the analysis of III group basic radicals of salts, the purpose of adding NH₄Cl (solid) to NH₄OH is:

0.48 g of an organic compound on complete combustion produced 0.22 g of CO₂. The percentage of C in the given organic compound is:

For the reaction PCl5​→PCl3​+Cl2​, the rate and rate constant are 1.02×10−4mol L−1s−1 and 3.4×10−5s−1, respectively, at a given instant. The molar concentration of PCl5​ at that instant is:

Identify the wrong relation for real gases:

For which one of the following mixtures is composition uniform throughout?

Identify the incorrect statement:

The energy associated with the first orbit of He+ is:

The first chlorinated organic insecticide prepared is:

But-1-yne on reaction with dilute H2​SO4​ in the presence of Hg2+ ions at 333K gives:

The compound is

8.8 g of monohydric alcohol reacts with ethyl magnesium iodide, releasing 2240 $cm^3$ of ethane at STP. This monohydric alcohol forms a carbonyl compound that answers Tollen’s test. The alcohol is:

Which of the following set of polymers are used as fibre?
(i) Teflon
(ii) Starch
(iii) Terylene
(iv) Orlon

MnO exhibits:

A metalloid is:

Which one of the following pairs will show positive deviation from Raoult's Law?

The correct decreasing order of boiling points of hydrogen halides is:

A current of 3 A is passed through a molten calcium salt for 1 hr 47 min 13 sec. The mass of calcium deposited is: