JAC 12th Chemistry Important Questions Chapter 1

JAC 12th Chemistry Important Questions Chapter 1: JAC Board Class 12th chemistry Chapterwise Important Questions Based on New Exam Pattern. इस आर्टिकल में आप सभी बच्चों को chemistry के important Questions मिलेंगे।

JAC :जैसा कि आप सभी विद्यार्थियों को पता है कि झारखंड बोर्ड कक्षा 12 वीं का मॉडल प्रश्न पत्र जारी कर दिया है , और आज की इस आर्टिकल में मॉडल पेपर आधार पर आपके जितने भी Questions पूछे गये है उनका हम बारी – बारी से chapterwise important Questions लेकर आएंगे। हमने यह तय किया है कि इसी प्रकार सारे chapters का important Questions करवा दे ताकि बच्चे उन्ही Questions को पढ़ कर परीक्षा में जाये एवं उनसे बाहर एक भी प्रश्न नही आएगा।

JAC 12th Chemistry Important Questions- Overview

Name of Organisation	Jharkhand Academic Council, Ranchi
Category	Important Questions
Article	JAC 12th Chemistry Important Questions
Class	12th
Stream	Science
Question Type	Subjective
Exam Name	JAC inter Board Exam
Subject	Chemistry
Chapter	1. The Solid State
Official Website	https://jac.jharkhand.gov.in/jac/
Telegram	Join Us

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Chapter 1. The Solid State

5 Marks वाले Questions with Solution

Q1. Write short notes on –
(a) Diamagnetism
(b) Paramagnetism
(c) Ferromagnetism

Q2. Write short notes on the following:
a. Schottky Defects
b. Frankel Defects
c. Interstitial Detects

Q3. Write short notes on:
a) Conductor
b) Insulator
c) Semiconductors

Q4. a. An element A crystallises in Fcc structure. 200g of this element has 4.12 X 10²⁴ atoms. If the density of A is 7.2 g cm-³. Calculate the edge length of the unit cell.
b. The density of chromium is 7.2 g cm-³. If the unit cell is a Cube with edge length of 289 pm, determine the type of the unit cell.[Atomic mass of Cr = 52g mol-¹]

Q5. Write the difference between Crystalline and Amorphous Solids.

Q6. Write Short notes on the following:
a) Ionic Solid
b) Covalent Solid
c) Metallic Solid
d) Molecular solid

Q7. Explain How many lattice point are there in one unit cell of each of the following lattice
a) Face-Centred Cubic
b) Face-Centred Tetragonal
c) Body centred Cubic

Q8. An element occurs in the BCC structure with cell edge of 288pm. The density of the element is 7.2g/cm³. How many atoms of the element does 208g of the element contains .

Q9. Explain the difference between ionic solid and metallic solid.

Q10. a. The structure of compound made from element A and B is cubic in which A atoms are placed at corners of the cube and B atoms are placed at face centres. Deduce the formula of the compound.
b. An element has bce geometry and atomic mass is 50. if edge length is 290 pm, calculate the density of unit cell.

Q11. a. Silver forms ccp lattice and X-ray studies of its crystals show that the edge length of its unit cell is 408.6 pm. Calculate the density of silver (atomic mass 107.9 u).
b. Silver Cryslattizes in f.c.c. lattice if edge length of its unit cell is 4.07×10^-8 and density is 10.5g/cm³. then find the atomic mass of silver.

Q12. a. A compound is made by two element M and N . Atoms of N from CCP structure and atom of M occupy 113 part of tetrahedral void. Find formula of the compound.
b. Aluminum Crystallizes in C.C.P. structure if radius of atoms is 125 pm.
a) find the edge length of its unit cell.
(b) How many unit cell are there in 1 cm’?

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