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

The CORRECT match between transition metal ion and its colour in aqueous solution.

Arrange the following anions according to the increasing order of their stability.

(I) \[\ce{\underset{Alkoxide anion}{R - O^-}}\]

(II)

Phenoxide anion

(III) \[\begin{array}{cc}
\ce{O}\phantom{..}\\
||\phantom{..}\\
\ce{\underset{Carboxylate anion}{R - C - O^-}}\\
\end{array}\]

The standard emf of a galvanic cell involving cell reaction with n = 1 was found to be 0.592 V at 25°C. The equilibrium constant of the reaction would be ____________.

Select the INCORRECT relation.

Which of the following when dissolved in water results in neutral solution?

Which of the following match is CORRECT?

(I) Frenkel defect: Electrical neutrality of the compound is preserved.

(II) Schottky defect: Density of the substance decreases.

(III) Schottky defect: Combination of vacancy defect and interstitial defect.

(IV) Frenkel defect: Small difference between size of cation and anion.

Limestone is used as a flux in the extraction of ______.

The reagent used in Gatterman reaction is ____________.

Which of following metals occurs in native state?

Mist is a colloidal solution of ____________.

In coagulation of positively charged ferric hydroxide sol, the most and least effective ions are ____________ and ____________ respectively.

Standard hydrogen electrode (SHE) is a ______.

Which of the following is a heterogeneous mixture?

In which of the following nanomaterial, only one dimension is less than 100 nm?

Which of the following statements is CORRECT?

Which of the following is CORRECT stability order according to Irving-William order?

The CORRECT decreasing order for the stability of carbanion.

____________ on heating with excess of conc. HI gives two moles of ethyl iodide.

Which of the following is an example of liquid-liquid system?

In leaching of alumina from bauxite by Bayer's process, then ore is treated with ______.