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

Schottky defect is formed in ionic compounds with ____________.

Froth is a colloidal solution of ____________.

The standard emf of Daniel cell is 1.10 volt. What is the maximum electrical work obtained from Daniel cell? (F = 96500 C)

Which of the following can form colloidal sol with water?

Which of the following is multimqlecular colloid?

Tyndall effect is useful ______.

The movement of colloidal particles towards respective electrode under electric field is called ______.

Pumice stone is an example of ______.

Which of the following compounds forms a colloidal solution when dissolved in water?

Which of the following is a character of catalyst?

What are the products of the following reaction?

\[\ce{(CH3)3C - O - CH3 + HI ->[cold] ?}\]

Which of the following compounds does NOT contain \[\begin{array}{cc}\backslash\phantom{.......}\\\ce{C = O}\\
/\phantom{.......}\\\end{array}\] group?

Formation of p-hydroxyazobenzene from benzene diazonium chloride and phenol in mild alkaline medium is a ______.

Identify compound 'A' in the following reaction.

What is the product X obtained in the following reaction?

\[\ce{C6H5N2Cl ->[(i) HBF4, (ii) NaNO2/Cu][\Delta] X + N2 + NaBF4}\]

A sample of calcium carbonate has the following percentage composition.

Ca = 40%, C = 12% and O = 48%

According to law of definite proportion the weight of calcium in 4 g of a sample of calcium carbonate from another source will be (At. No.: Ca = 40, C = 12, O = 16)

Which of the following ionic species has highest precipitating power?

Identify product B in the following reaction.

\[\ce{C6H5N^+_2X^- ->[HBF4] A ->[NaNO2][Cu] B}\]

The reaction in which copper (I) salt is used to replace nitrogen in diazonium salt is called, ____________.

In the following reaction the reagent A is,

\[\ce{Ar - N^+_2 X^- ->[A] Ar - N^+_2 BF^-_4 ->[\Delta] Ar - F + BF3 + N2 ^}\]