Answers>Chemistry>A Level>Article

What 2 reagents are required to form NO2+ (state conditions)? Write an equation for this reaction.

Concentrated sulphuric acid (H2SO4) and concentrated nitric acid (HNO3).H2SO4 + HNO3 -> HSO4- + H2NO3+H2NO3+ <-> (equilibrium arrow, do not penalise if normal arrow used) H2O + NO2+Alternatively accept: HNO3 + H2SO4 -> NO2+ + HSO4- + H2O

EC
Answered by Eleanor C. • Chemistry tutor

3240 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

0.28 g of a gaseous hydrocarbon was turned in excess oxygen. 0.88 g of carbon dioxide and 0.36 g of water were formed. The volume of 0.28 g of the hydrocarbon at 1.01 x10^5 Pa and 298 k is 123 cm^3. Work out the molecular formula of the hydrocarbon.

Answered by Callum B.

How do you calculate the pH of a weak acid?

Answered by Amy H.

Explain the 3 pieces of evidence that disprove Kekule's model of benzene.

Answered by Ellie W.

Using your knowledge of periodicity and atomic structure, why does the first ionisation energy decrease moving down a group yet increase moving along a period in the periodic table?

Answered by Alfie I.

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemapTerms & ConditionsPrivacy PolicyGender Pay Gap Reporting

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

MyTutor is part of the IXL family of brands:

IXL

Comprehensive K-12 personalized learning

Rosetta Stone

Immersive learning for 25 languages

Wyzant

Trusted tutors for 300 subjects

Education.com

35,000 worksheets, games, and lesson plans

Vocabulary.com

Adaptive learning for English vocabulary

Emmersion

Fast and accurate language certification

Thesaurus.com

Essential reference for synonyms and antonyms

Dictionary.com

Comprehensive resource for word definitions and usage

SpanishDictionary.com

Spanish-English dictionary, translator, and learning resources

FrenchDictionary.com

French-English dictionary, translator, and learning

Ingles.com

Diccionario ingles-espanol, traductor y sitio de apremdizaje

ABCya

Fun educational games for kids

© 2026 by IXL Learning