Match the following: from Class 12 ISC Previous Year Board Pape

Subject

Chemistry

Class

ICSE Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.
Advertisement

 Multiple Choice QuestionsMatch The Following

Advertisement

1.

Match the following:

A. Nernst equation (i) Chiral Carbon atom
B. Phenol (ii) Hexadentate
C. Entropy (iii) Electrochemical cells
D. Entropy (iv) Reimer-Tiemann reaction
E. Polarised light   (v) Second law of Thermodynamics.


A.

Nernst equation

(i)

Electrochemical cells

B.

Phenol

(ii)

Reimer-Tiemann reaction

C.

Entropy

(iii)

Second law of Thermodynamics.

D.

Entropy

(iv)

Hexadentate

E.

Polarised light  

(v)

Chiral Carbon atom
408 Views

Advertisement

 Multiple Choice QuestionsFill In the Blanks

2.

Fill in the blanks by choosing the appropriate word / words from those given in the brackets: (benzoic acid, negative, positive, vapour, vapour pressure, benzal chloride, more, less, electropositivity, electronegativity, reducing, oxidising, basic, acidic, PCI5, SOCl2 phenol, water, ice.)

(i) When water freezes to_______the free energy of the system is_______.

(ii) The_________pressure of an aqueous solution of 0.1 M cane sugar is________than that of pure water.

(iii) When benzaldehyde reacts with_______it forms_________and POCl3.

(iv) An aqueous solution of a mixture of ammonium chloride and ammonium hydroxide is a________buffer solution with pH_______than seven.

(v) Halogens are strong_______agents because of their high

656 Views

 Multiple Choice QuestionsMultiple Choice Questions

3.

Complete the following statements by selecting the correct alternative from the choices given:
The hybridization of the iron atom in [Fe(CN)6I-3 complex is:

  • sp3

  • dssp3

  • spsd2

  • spsd2

197 Views

4.

Complete the following statements by selecting the correct alternative from the choices given:
The product formed when aniline is warmed with chloroform and caustic potash is:

  • Phenyl chloride

  • Methyl isocyanide

  • Phenyl isocyanide

  • Phenyl isocyanide

213 Views

Advertisement
5.

Complete the following statements by selecting the correct alternative from the choices given:For a dissociated solute in solution the value of van’t Hoff factor is:

For a dissociated solute in solution the value of van’t Hoff factor is:

 

  • Zero

  • One

  • Greater than one

  • Greater than one

187 Views

6.

Complete the following statements by selecting the correct alternative from the choices given:

The unit of equivalent conductance is: 

  • Ohm-1cm2equiv-1

  • Ohm-1cm2gm-1

  • Ohm cm2 equiv-1

  • Ohm cm2 equiv-1

330 Views

7.

Complete the following statements by selecting the correct alternative from the choices given:

An example of intensive property is:

  • Number of moles

  • Mass

  • Volume

  • Volume

315 Views

 Multiple Choice QuestionsShort Answer Type

8.

Answer the following questions:

The reduction potential of a metal X is - 0.76 volts while that of Y is - 2..38 volts which of the two metals is a stronger reducing agent? Give a reason for your answer.

391 Views

Advertisement
9.

Answer the following questions:

The osmotic pressure of a 0.25 M urea solution is 2.67 atm. What will be the osmotic pressure of a 0.25 M solution of Potassium Sulphate?

601 Views

10.

Answer the following questions:

Name the type of isomerism exhibited by lactic acid, CH3CH(OH)COOH giving the reason for your answer.

488 Views

Advertisement