Get Answers to all your Questions

header-bg qa

 Lithium nitrate and sodium nitrate, when heated separately, respectively, give : 

Option: 1

\mathrm{\mathrm{LiNO}_{2} \text { and } \mathrm{NaNO}_{2}}


Option: 2

\mathrm{\mathrm{Li}_{2} \mathrm{O} \text { and } \mathrm{Na}_{2} \mathrm{O}}


Option: 3

\mathrm{\mathrm{Li}_{2} \mathrm{O} \text { and } \mathrm{NaNO}_{2}}


Option: 4

\mathrm{\mathrm{LiNO}_{2} \text { and } \mathrm{Na}_{2} \mathrm{O}}


Answers (1)

best_answer

Lithium nitrate when heated gives lithium oxide \mathrm{Li_{2}O} whereas other alkali metal nitrates decompose to give thr corresponding nitrate.

\mathrm{4LiNO_{3}\longrightarrow 2H_{2}O+4 NO_{2}+O_{2}}
\mathrm{2NaNO_{3}\longrightarrow 2NaNO_{2}+O_{2}}

Option (3) is correct. 

Posted by

Kuldeep Maurya

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE