JAC Class 12 Chemistry Question Paper 2016 with Solution

About this paper

This is the Jharkhand Academic Council (JAC) Class 12 Chemistry paper from the 2016 board examination, with an answer written under each question. It has 34 questions: eight multiple-choice, seven very short answers, eight Short Answer I, eight Short Answer II and three long answers. Alternatives marked Or appear with the activation-energy calculation, the carbonyl transformations, the interhalogen question and the electrolysis question. The long answers cover conversions of acetic acid, acetaldehyde and acetone, interhalogen compounds and freons, Faraday's laws with a copper-deposition calculation, and the Haber process. Marks and time are not printed on this copy.

Exam

JAC Class 12

Subject

Chemistry

Year

2016

Questions

34

Pages

4

Answers included

Yes

Paper pattern

• Multiple Choice Type Questions

  Questions 1–8

• Very Short Answer Type Questions

  Questions 9–15

• Short Answer I Type Questions

  Questions 16–23

• Short Answer II Type Questions

  Questions 24–31, with an Or alternative in Question 24

• Long Answer Type Questions

  Questions 32–34, each with an Or alternative

Topics covered

• Solid state
• Solutions and colligative properties
• Electrochemistry
• Chemical kinetics
• Surface chemistry
• General principles of isolation of metals
• p-Block elements
• d- and f-block elements
• Coordination compounds
• Alcohols, phenols and carbonyl compounds
• Amines
• Biomolecules and polymers

Questions from this paper

1. What is the coordination number of the Cl⁻ ion in the NaCl structure?
2. Define parts per million (ppm).
3. What is the difference between roasting and calcination?
4. What are transition elements, and why is zinc not regarded as one?
5. Describe the contact process for the manufacture of sulphuric acid.
6. State Faraday's laws of electrolysis. How much copper will be deposited at the cathode of a cell containing Cu²⁺ ions by the passage of a 2 ampere current for 60 minutes?