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

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)

The edge length of bcc type of unit cell of an element is 400 pm. Calculate the density of unit cell. (Molar mass of an element = 100 g mol^-1)

How many lithium atoms are present in a unit cell with edge length 3.5 Å and density 0.53 g cm^-3 (At. mass of Li= 6.94).

The Henry's law constant for oxygen is 1.3 × 10^-3 mol dm^-3 atm^-1. If partial pressure of oxygen is 0.46 atmosphere, what is the concentration of dissolved oxygen at 25°C and 1 atm pressure?

0.5 molal aqueous solution of a weak acid (HX) is 20% Ionized. If Kr of water is 1.86 K kg mol^-1, the lowering in freezing point of solution is ______.

Solubility of a gas in liquid increases with ______.

Which among the following complexes is a heteroleptic and cationic in nature?

Which among the following complexes is NOT a heteroleptic complex?

Which among the following compounds is cationic complex?

Identify cationic complex from the following.

Which coordinate complex from the following has a complex ion with positive charge?

Identify the name of reaction in which alkyl fluorides are prepared by heating alkyl bromide with metallic fluorides.

Identify the product B in following conversion.

\[\ce{Chlorobenzene + H2O ->[Cu, 673 K][Pressure] A ->[conc. H2SO4][373 K] B}\]

Which of the following conversion explains the acidic nature of alcohols?

Which isomer of C₄H₁₀O is optically active?

Which following reagent is used to obtain alkene from alcohol?