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P Block Elements question

2018 · Shift 1 · Q3
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P Block Elements question

2018 · Shift 1 · Q3

JEE AdvancedChemistryP Block ElementsMultiple correct+4 / −1
The compounds(s) which generate(s) N2{N_2}N2​ gas upon thermal decomposition below 300∘C{300^ \circ }C300∘C is (are)
  1. A
    NH4NO3N{H_4}N{O_3}NH4​NO3​
  2. B
    (NH4)2Cr2O7\left( {N{H_4}} \right){}_2C{r_2}O{}_7(NH4​)2​Cr2​O7​
  3. C
    Ba(N3)2Ba{\left( {{N_3}} \right)_2}Ba(N3​)2​
  4. D
    Mg3N2M{g_3}{N_2}Mg3​N2​
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