CBSE Class 12 Chemistry Question Paper 2018

Download Question Paper of CBSE 12th Chemistry Paper 2018. CBSE Chemistry Paper was held on March 13, 2018 (from 10:30 AM to 01:30 PM). You can download the complete CBSE Class 12 Chemistry Question paper 2018 in PDF format, with the help of download link given at the end of this article.

Students who had written CBSE Class 12 Chemistry Board Exam 2018 told us some important points related to paper pattern and difficulty level of the questions. Learn about the complete analysis and review of CBSE Class 12 Chemistry 2018 Board Exam’ question paper from the link given below

CBSE Class 12 Chemistry Board Exam Paper 2018: Paper analysis and review

Some questions from the question paper are given below

Question1.

Write the coordination number and oxidation state of Platinum in the complex Pt (en)₂ Cl₂.

Question2.

Analysis shows that FeO has a non-stoichiometric composition with formula Fe0.9sO. Give reason.

Question3.

Out of Chlorobenzene and benzyl chloride, which one gets easily hydrolysed by aqueous NaOH and why?

CBSE Class 12 Chemistry Solved Question Paper 2018

Question4.

Write the IUPAC name of the following:

Question5.

CO (g) and H₂ (g) react to give different products in the presence of different catalysts. Which ability of the catalyst is shown by these reactions?

Question6.

Among the hydrides of Group-15 elements, which have the

(a) lowest boiling point?

(b) maximum basic character?

(c) highest bond angle?

(d) maximum reducing character?

Question7.

Calculate the freezing point of a solution containing 60g of glucose (Molar mass = 180 g mol^‒1 ) in 250 g water. (K_f of water = 1.86 K Kg mol^‒1).

Question8.

How do you convert the following?

(a) Ethanal to Propanone

(I) Toluene to Benzoic acid

OR

Account for the following:

(a) Aromatic carboxylic acids do not undergo Friedel-Craft reaction

(b) pK_a value of 4-nitrnbenzoic acid is longer than that of benzoic acid.

Question9.

Complete and balance the following chemical equations:

(a) Fe²⁺ + MnO₄^‒ + H⁺ →

(b)MnO₄^‒ + H₂O + I^‒ →

.

.

.

Download CBSE Class 12 Chemistry 2018 Board Exam’s Question Paper in PDF format

CBSE Class 12 Sample Paper 2018: All Subjects