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

An alkyl iodide on refluxing with aqueous KOH solution gave isopropyl alcohol. The structure of alkyl iodide could be:

In Raschig's method for synthesis of phenol, the reactants used are ____________.

At 25°C, the emf of the following electrochemical cell.

\[\ce{Ag_{(s)} | Ag^+ (0.01 M) | | Zn^{2+} {(0.1 M)} | Zn_{(s)}}\] will be:

(Given \[\ce{E^0_{cell}}\] = −1.562 V)

A chemical species that is formed in one elementary step in the mechanism of complex reaction and consumed in the subsequent step is called ____________.

\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]

Identify product 'X' in the above reactions.

The product of the reaction between dimethylcadmium and acetyl chloride is ____________.

Consider the following elementary reaction;

\[\ce{2AB_{(g)} -> A2_{(g)} + B2_{(g)}}\]

The molecularity of the reaction is ____________.

The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.

Identify the INCORRECT statement regarding Hofmann bromamide reaction.

What is INCORRECT about the product written in the below given reaction?

\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]

(I) 

(II) \[\ce{P + Zn ->[\Delta] Q}\]

(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]

Q and R are respectively:

According to Andrews isothermals at what temperature the carbon dioxide gas starts to condense at 73 atmosphere?

A certain mass of a gas occupies a volume of 2 dm³ at STP. At what temperature the volume of gas becomes double, keeping the pressure constant?

At what temperature the volume of a gas becomes absolutely zero?

Isochor is the graph plotted between ______.

A gas occupies a volume of 4.2 dm³ at 101 kPa pressure. What volume will gas occupy if the pressure is increased to 235 kPa keeping the temperature constant?

The volume of 400 cm³ chlorine gas at 400 mm of Hg is decreased to 200 cm³ at constant temperature. What is the new pressure of gas?

Sodium crystallizes in bee structure with radius 1.86 × 10^-8 cm. Calculate the edge length of unit cell.

How many unit cells are present in 1.00 cm³ of of aluminum crystal, if edge length of unit cell is 3.54 × 10^-8 cm?

What is the mass of unit cell of gold if it crystallises in fee structure?
(At mass of gold= 197 g mol^-1)