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

Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?

The following compound is a/an ____________.

The CORRECT relationship between molar solubility (S) and solubility product (K_sp) for salt, Cr(OH)₃ is ____________.

Which of the following is NOT an actinoid?

In the reaction,

\[\ce{CH3COOH ->[SOCl2] X ->[Sodium salt of carboxylic acid] Y}\].

The compound Y was found to be a mixed acid anhydride. Thus, the sodium salt of carboxylic acid used CANNOT be ____________.

Which is the CORRECT representation for the solubility product (K_sp) of CaF₂?

At constant temperature, a quantity of an ideal gas occupies 50 mL at 500 mmHg pressure. At what pressure, the volume will be 100 mL?

Identify the element having highest enthalpy of atomisation from following.

Which among the following lanthanoids, shows only +3 oxidation state?

Which of the following compounds reacts with ammonia to form urotropine?

Which of the following is a lanthanoid?

Find INCORRECT statement with reference to NICAD cell.

Concentration of the \[\ce{C2O^-_{4(aq)}}\] ions in a saturated solution of Ag₂C₂O₄ is 1.1 × 10⁻⁴ mol L⁻¹. Solubility product of Ag₂C₂O₄ is __________.

A cold drink bottle contains 200 mL liquid, in which CO₂ is 0.1 molar. Considering CO₂ as an ideal gas the volume of the dissolved CO₂ at S.T.P is ______.

In the reaction, \[\ce{C6H5COCH3 ->[{[H]}][Zn-Hg/conc. HCl] X}\], X is ______.

The unit of ideal gas constant (R) is ____________.

Identify the CORRECT statements from the following.

(I) Both lanthanoids and transition metals show magnetism.

(II) Both lanthanoids and actinoids form oxocations.

(III) Both lanthanoids and actinoids show decrease in ionic radius with an increase in atomic number.

(IV) Both lanthanoids and transition metals show fixed geometries.

For an ideal gas, at constant temperature and pressure, the volume is ____________.

Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?

At a constant pressure, an ideal gas has a volume of 200 cm³ at 25°C. If the gas is cooled to −3°C, what will be the final volume of a gas?