List of top Chemistry Questions asked in KCET

Which one of the following is an isotonic pair of solution ?
The pair of electrolytes that posses same value for the constant (A) in the Debye - Huckel - Onsagar equation, $\lambda_m = \lambda^0_m - A\sqrt{C}$ is
Silicon doped with gallium forms
A metal crystallises in face centred cubic structure with metallic radius 2​A∘. The volume of the unit cell (in m3) is
A metal exists as an oxide with formula M0.96​O. Metal M can exist as M+2 and M+3 in its oxide M0.96​O. The percentage of M+3 in the oxide is nearly
Which of the following is Not a green house gas?
Identify ‘X’ in the following reaction
Identify X in the following reaction
Which of the following is not a pair of functional isomers?
The mental that produces H2 with both dil HC/ and NaOH (aq) is
The oxide of potassium that does not exist is
The percentage s-character of the hybrid orbitals in\( No^+_2\), \(NO^-_3\) and\( NH^+_4\) respectively are
A Lewis acid 'X' formed by the reaction of BF3 with LiA/H4 in ether medium to gives a highly toxic gas. This gas when heated with NH3 gives a compound commonly known as inorganic benzene. The gas is
The oxidation number of nitrogen atom in MH4NO3 are
When the same quantity of heat is absorbed by a system at two different temperatures T1​ and T2​, such that T1​>T2​, change in entropies are ΔS1​ and ΔS2​ respectively. Then
The formal charge on central oxygen atom in ozone is
prologed exposure of chloroform in humans many cause damage to liver. it is due to the formation of following compound
The formal charge on central oxygen atom in ozone is
Given $E^0_{Fe^{+3}/Fe^{+2}} = +0.76V$ and $E^0_{I_2/I^-} = +0.55V.$ The equilibrium constant for the reaction taking place in galvanic cell consisting of above two electrodes is $\left[\frac{2.303RT}{F}=0.06\right]$
A metal exists as an oxide with formula $M_{0.96}O$. Metal $M$ can exist as $M^{2+}$ and $M^{3+}$ in its oxide $M_{0.96}O$. The percentage of $M^{3+}$ in the oxide is nearly
The percentage of $s$-character in the hybrid orbitals of nitrogen in $NO^+_2, NO^-_3$ and $NH_4^+$ respectively are
When the same quantity of heat is absorbed by a system at two different temperatures $T_1$ and $T_2$, such that $T_1 > T_2$, change in entropies are $\Delta S_1$ and $\Delta S_2$ respectively. Then
Which of the following is NOT a green house gas?
The oxidation number of nitrogen atoms in $NH_4NO_3$ are
Which of the following is not a greenhouse gas?
The metal that products $H_2$ with both dil $HCl$ and $NaOH (aq)$ is