Bihar Board - Class 12 - Chemistry - Chapter 1: The Solid State Multiple Choice Questions ( MCQs)

 The multiple choice questions for Chapter 1: The Solid State of Class 12 Chemistry are provided here in English. These questions are based on the NCERT curriculum for Class 12. They are designed to help students assess their understanding of the key concepts covered in the chapter. These multiple choice questions will be useful not only for the Class 12 board exams but also for entrance exams like NEET. The questions for Bihar Board Class 12 Chemistry, Chapter 1: The Solid State, have been prepared by expert teachers at Vidyakul.

                                 Multiple Choice Question Answer

1. Which one of the following is non-crystalline or amorphous ?

(A) Diamond
(B) Graphite
(C) Glass
(D) Common Salt

Answer ⇒ (C) Glass

2. NaCl type crystal (with coordination no. 6:6) can be converted into CsCl type crystal (with coordination no. 8:8) by applying

(A) high temperature
(B) high pressure
(C) high temperature and high pressure
(D) low temperature and low pressure

Answer ⇒ (B)high pressure

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3. The distance between Na+ and Cl ions in NaCl  with a density 2.165 g cm-3  is

(A) 564 pm
(B) 282 pm
(C) 234 pm
(D) 538 pm

Answer ⇒ (B)282 pm

4. Which of the following is not a property of a crystalline solid?

(A) definite and characteristic heat fusion

(B) isotropic in nature

(C) The arrangement of the constituent particles repeats at regular intervals throughout the crystal.

(D) real solid

Answer ⇒ (B) Isotropic in nature

5. Which of the following is not a property of crystalline solids?

(A) same properties in different directions

(B) Clear melting point.

(C) fixed geometric shape

(D) high intermolecular forces

Answer ⇒ (A) same properties in different directions

6. Covalent solid is -

(A) NaCl and KNO3

(B) Diamond and graphite

(C) Metals and alloys

(D) all of the above

Answer ⇒ (B) Diamond and graphite

7. Iodine is –

(A) Ionic solid

(B) atomic solid

(C) molecular solid

(D) coordination solid

Answer ⇒ (C) molecular solid

8. The possible structure of an ionic solid will be tetrahedral if its value is –

(A) 0.414 to 0.732

(B) 0.225 to 0.414

(C) 0.155 to 0.225

(D) 0.732 to 1.0

Answer ⇒ (B) 0.225 to 0.414

9. Good conductor of heat and electricity is –

(A) Anth

racite coke

(B) Diamond

(C) Graphite

(D) charcoal

Answer ⇒ (C) Graphite