For reaction : $SO _2( g )+\frac{1}{2} O _2( g )= SO _3( g )$$K _{ p }=2 \times 10^{12}$ at $27^{\circ} C$ and 1 atm pressure The $K _{ c }$ for the same reaction is ____$\times 10^{13}$ (Nearest integer)(Given $R =0.082 \,L \,atm \,K ^{-1} \,mol ^{-1}$ )
The oxidation state of phosphorus in hypophosphoric acid is + _____
When $Cu ^{2+}$ ion is treated with $KI$, a white precipitate, $X$ appears in solution The solution is titrated with sodium thiosulphate, the compound $Y$ is formed $X$ and $Y$ respectively are
Match items of column I and II
Adding surfactants in non polar solvent, the micelles structure will look like
A protein ' $X$ ' with molecular weight of $70,000 u$, on hydrolysis gives amino acids One of these amino acid is
The methods NOT involved in concentration of ore areA LiquationB LeachingC ElectrolysisD Hydraulic washingE Froth floatationChoose the correct answer from the options given below :
Which of the following artificial sweeteners has the highest sweetness value in comparison to cane sugar?
The correct order of basicity of oxides of vanadium is
A cubic solid is made up of two elements $X$ and $Y$ Atoms of $X$ are present on every alternate corner and one at the enter of cube $Y$ is at $\frac{1}{3} td$ of the total faces The empirical formula of the compound is
Arrange the following orbitals in decreasing order of energy A. $n=3, l =0, m =0$ B. $n =4, l =0, m =0$ C. $n =3, l =1, m =0$ D. $n =3, l =2, m =1$ The correct option for the order is :
Evaluate the following statements for their correctness A. The elevation in boiling point temperature of water will be same for $01 \,M \,NaCl$ and $01\, M$ urea B. Azeotropic mixtures boil without change in their compositionC. Osmosis always takes place from hypertonic to hypotonic solution D. The density of $32 \% H _2 SO _4$ solution having molarity $409\, M$ is approximately $126\, g mL ^{-1}$ E. A negatively charged sol is obtained when KI solution is added to silver nitrate solutionChoose the correct answer from the options given below :
When a hydrocarbon A undergoes complete combustion it requires 11 equivalents of oxygen and produces 4 equivalents of water. What is the molecular formula of $A$?
