Illustrate nitration in benzene.

Important Questions on Sample Question Paper 4

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 1

Nitric oxide acts as a reducing agent in the reaction,

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 1

Which of the following has the highest lattice energy and why? $\mathrm{CsF}, \mathrm{CsCl}, \mathrm{CsBr}, \mathrm{CsI}$

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 1

A gas that follows Boyle's law, Charles' law and Avogadro's law is called an ideal gas. Under what conditions a real gas would behave ideally?

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 7

Hydrogen generally forms covalent compounds. Give reason.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 18

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, ${\mathrm{E}}^{+}$.
Chlorobenzene, $2,4$-dinitrochlorobenzene, p-nitrochlorobenzene. Also, explain your answer.

HARD

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 18

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, ${\mathrm{E}}^{+}$.
Toluene, $\mathrm{p}-{\mathrm{H}}_3\mathrm{C}–{\mathrm{C}}_6{\mathrm{H}}_4–{\mathrm{NO}}_2, \mathrm{p}-{\mathrm{O}}_2\mathrm{N}–{\mathrm{C}}_6{\mathrm{H}}_4–{\mathrm{NO}}_2$. Also, explain your answer.

MEDIUM

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 18

Write order of stability for carbocations.

EASY

11th ICSE

IMPORTANT

ALL IN ONE ISC Chemistry CLASS 11>Chapter 18 - Sample Question Paper 4>SAMPLE QUESTION PAPER 4>Q 18

Write two examples of nucleophiles and electrophiles.