List of top Chemistry Questions

Which of the following is a water insoluble carbohydrate?}

Which of the following set of amino acids have one letter code as F and Q ?}

The correct formula of Hinsberg’s reagent is}

Match the following:}

Which of the following reaction is reversible?}

The products A, B \& C from the following reactions are respectively}

The HVZ reaction involves the}

The IUPAC name of the following compound is}

Which one of the following compounds is strongly basic in aqueous medium?}

Which one of the following reaction is called Kolbe’s method?}

On treating the sodium fusion extract with sodium nitroprusside, the blood red colour is formed due to the formation of}

The boiling points of organohalogen compounds are comparatively higher than the corresponding hydrocarbons because of}

Dodecane, a constituent of kerosene oil on heating to 973 K in the presence of nickel gives}

The O-H bond length in methanol is}

Heating of 2-chloro-1-phenyl butane with EtOK/EtOH gives ‘X’ as the major product. The reaction of ‘X’ with HBr gives ‘Y’ as the major product. The ‘Y’ is}

Which one of the statements is not the limitation of valence bond theory of complexes?}

The IUPAC name of the complex \([Co(NH_3)_5ONO]Cl_2\) is}

Which of the following method/s is/are used in the estimation of nitrogen in organic compounds?
(i) Carius method
(ii) Dumas method
(iii) Silver salt method
(iv) Kjeldhal method}

The pair of elements that has similar atomic radii is}

Which of the following lanthanide ion is coloured?}

A compound of manganese that has intense colour, diamagnetic and temperature dependent weak paramagnetic. What is the compound?}

For the elementary reaction, \(M \to N\), the rate of disappearance of ‘M’ increases by a factor of 8 upon doubling the concentration of M. The order of the reaction with respect to M is}

At 300 K a first order reaction is 50 % completed in 10 minutes. What is the rate constant value of the reaction at this temperature? \((\log 2 = 0.3)\)}

A first order reaction is completed 99% in 20 minutes at 300 K. What is the half-life period of the reaction at the same temperature?}

The salt which has van’t Hoff factor (\(i\)) as 1.82 in 0.001 m aqueous solution is}