Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

9 Questions

0 Views

(NH4)2Cr2O7 Chemistry Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the percentage composition of copper in [Cu(NH3)4]2+?

25%

45% (correct)

35%

55%

In the extraction of copper in the Bessemer converter, which of the following reactants is oxidized?

Cu2S (correct)

Cu2O

FeO

SiO2

Which compound undergoes mutarotation among the following?

[NiCl2(PMe3)2]

HCl solution (correct)

Cu2S

[AuCl4]–

What is enthalpy change of the reaction: Cu2S + O2 -> Cu2O + SO2?

Exothermic Signup and view all the answers

What is the specific gravity of the final solution when HCl is diluted as described in question 1?

1.2 Signup and view all the answers

Which compound has the highest double bond equivalent (DBE)?

[Cu(NH3)4]2+ Signup and view all the answers

In which reaction does copper change its oxidation state?

[Cu(NH3)4]2+ Signup and view all the answers

Which statement about entropy is correct?

$\Delta S_{system}$ is zero for reversible processes Signup and view all the answers

'FeSiO3' is formed by which reaction?

$\text{FeO} + \text{SiO}_2 -> \text{FeSiO}_3$ Signup and view all the answers

(NH4)2Cr2O7 Chemistry Quiz

Choose a study mode

Podcast

Questions and Answers

What is the percentage composition of copper in [Cu(NH3)4]2+?

In the extraction of copper in the Bessemer converter, which of the following reactants is oxidized?

Which compound undergoes mutarotation among the following?

What is enthalpy change of the reaction: Cu2S + O2 -> Cu2O + SO2?

What is the specific gravity of the final solution when HCl is diluted as described in question 1?

Which compound has the highest double bond equivalent (DBE)?

In which reaction does copper change its oxidation state?

Which statement about entropy is correct?

'FeSiO3' is formed by which reaction?

More Like This

Chemistry Quizzes: Chemical Compounds and Solutions

Chemistry Law of Multiple Proportions Flashcards

Chemistry Laws of Proportions Quiz

General Chemistry Example 2.5

Upgrade to continue