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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
s Block Elements

NTA Abhyas 2020 · Chemistry · s Block Elements

Na and Li are placed in dry air, we get:

Na\text{Na} and LiLi are placed in dry air, we get:

Options

  1. ANaOH,Na2O,Li2ONaOH, {Na}_{2}O, {Li}_{2}O
  2. BNa2O,Li2O{Na}_{2}O, {Li}_{2}O
  3. CNa2O,Li2O,Li3N,NH3{Na}_{2}O, {Li}_{2}O, {Li}_{3}N, {NH}_{3}
  4. DNa2O,Li3N,Li2O{Na}_{2}O, {Li}_{3}N, {Li}_{2}O

Correct answer

D. Na2O,Li3N,Li2O{Na}_{2}O, {Li}_{3}N, {Li}_{2}O

Step-by-step solution

Dry air contains N2{N}_{2} and O2{O}_{2}. Na does not form nitride.
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