List of top Chemistry Questions asked in KEAM

The compound which does not lead to benzoic acid by oxidation with $KMnO_4$ is
Covalent compounds have low melting points because
The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and stable at cooking temperature is
The magnetic moment of $Ni^{2+}$ ion (At. No. of Ni. is 28) in BM unit is
Pick out the incorrect statement(s) from the following 1. Glucose exists in two different crystalline forms, $ \, \, \, \alpha$-D-glucose and $\beta$-D-glucose 2. $\alpha$-D-glucose and $\beta$-D-glucose are anomers 3. $\alpha$-D-glucose and $\beta$-D-glucose are enantiomers 4. Cellulose is a straight chain polysaccharide made of $ \, \, \, $only $\beta$-D-glucose units 5. Starch is a mixture of amylose and amylopectin, both $ \, \, \, $contain unbranched chain of $\alpha$-D-glucose units
Which among the following statements is correct with respect to the optical isomers?
The product/s formed when diborane is hydrolysed is/are
Which among the following is the heaviest ?
In a reaction, $2A \rightarrow$ products the concentration of A decreases from $0.50 \,M$ to $0.38 \,M$ in $10 \,min$. What is the rate of the reaction (in $Ms^{-1}$) during this interval?
The reaction of an ester "RCOOR with an alcohol R ''OH in the presence of an acid gives
Which of the following ions has the same number of unpaired electrons as those present in $V^{3+}$?
In which one of the following compounds does the central atom obeys the octet rule?
Vitamin A is called
Which one of the following reactions proceeds through free radical chain mechanism?
Which one among the following is a homoleptic complex?
What are the starting materials to get $2$-methylpropene as the major product?
The moiety present at the 5' end of ribose sugar in a polynucleotide is
Which of the following is the correct method of preparation of methyl fluoride?
Which one of the following is tridentate ligand?
In a reaction $2 A+B \longrightarrow 3 C$, the concentration of $A$ decreases from $0.5\, mol \,L \,^{-1}$ to $0.3\, mol\, L^{-1}$ in $10$ minutes. The rate of production of $C$ during this period is
Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour?
...................is a potent vasodilator
The disease kalaazar is cured by
The vitmain which is neither soluble in water nor in fat is
When 2-methoxypropane is heated with HI, in the mole ratio 1: 1, the major products formed are