NEET 2020 Phase 1 | Solid State Question 11 | Chemistry

This chapter is currently out of syllabus

PREVIOUS NEXT

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

Out of Syllabus

An element has a body centered cubic (bcc) structure with a cell edge of 288 pm. The atomic radius is :

$${{\sqrt 2 } \over 4} \times 288$$ pm

$${{4 } \over \sqrt 3} \times 288$$ pm

$${{4 } \over \sqrt 2} \times 288$$ pm

$${{\sqrt 3 } \over 4} \times 288$$ pm

NEET 2019

MCQ (Single Correct Answer)

-1

Out of Syllabus

A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is :

C₃A₄

C₄A₃

C₂A₃

C₃A

NEET 2018

MCQ (Single Correct Answer)

-1

Out of Syllabus

Iron exhibits bcc structure at room temperature. Above 900°C, it transforms to fcc structure. The ratio of density of iron at room temperature to that at 900°C (assuming molar mass and atomic radii of iron remains constant with temperature) is

$${{\sqrt 3 } \over {\sqrt 2 }}$$

$${{4\sqrt 3 } \over {3\sqrt 2 }}$$

$${{3\sqrt 3 } \over {4\sqrt 2 }}$$

$${1 \over 2}$$

NEET 2016 Phase 2

MCQ (Single Correct Answer)

-1

Out of Syllabus

In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca²⁺) and fluoride ion (F^$$-$$) are

4 and 2

6 and 6

8 and 4

4 and 8

PREVIOUS NEXT

NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution