MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

Which one of the following substituents at para-position is most effective in stabilizing the phenoxide  ion?

Which one of the following reactions will not result in the formation of a carbon-carbon bond?

Which of the following compounds will undergo self-aldol condensation in the presence of cold dilute alkali?

The amine, which reacts with p-toluenesulphonyl chloride to give a clear solution, which on acidification gives insoluble compound is ______.

Which of the following compound will give positive iodoform test?

A substance C₄H₁₀O yields on oxidation a compound, C₄H₈O which gives an oxime and a positive iodoform test. The original substance on treatment with a conc. H₂SO₄ gives C₄H₈. The structure of the compound is ______.

The amino acid, which is basic in nature is ______.

Which among the following enzymes hydrolysis starch?

In the above reaction, product (B) is:

Calculate ΔU if 2 kJ heat is released and 10 kJ of work is done on the system.

Which of the following reaction does not involve either oxidation or reduction?

Which symbol replaces the unit of atomic mass, amu?

Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?

What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?

Which of the following compounds does not undergo a haloform reaction?

Calculate the work done during the combustion of 0.138 kg of ethanol, C₂H₅OH(l) at 300 K.
Given: R = 8.314 Jk⁻¹ mol⁻¹, molar mass of ethanol = 46 g mol⁻¹.

Tertiary structure of protein is stabilised by ______.

Which of the following is not correctly matched?

0.05 F electricity is passed through CuSO₄ solution. Calculate the mass of Cu produced at cathode? (molar  mass of Cu = 63.5 g mol^-1)

Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with zinc-amalgam and cone. HCI.