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JEE Revision Plan - Chemistry 11.1

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Question 1

Assertion: Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity.
Reason: Hybridization of carbon in diamond and graphite are sp³ and sp², respectively.

Question 2

Identify the incorrect statement:

Question 3

Sodium extract is heated with concentrated HNO₃ before testing for halogens because:

Question 4

The number of lone pairs on Xe in XeF₂, XeF₄ and XeF₆ respectively are:

Question 5

Which of the following xenon-OXO compounds may not be obtained by hydrolysis of xenon fluorides?

Question 6

PCI₃ and PC1₅ both exist; NCI₃ exists but NCI₅ does not exist. It is due to:

Question 7

The following statements concern elements in the periodic table. Which of the following is true?

Question 8

Which of these statements is not true?

Question 9

Example of a three-dimensional silicate is:

Question 10

Oxidation number of Cl in CaOCl₂ (bleaching powder) is:

Question 11

The least number of oxyacids are formed by:

Question 12

Chlorine water on standing loses its colour and forms:

Question 13

Which of the following arrangements represents the increasing order (smallest to largest) of ionic radii of the given species

Question 14

What is the maximum valency of phosphorus with chlorine?

Question 15

Which of the following boron trihalide has highest boiling point?

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Dec 19JEE & BITSAT