A metal ‘M’ reacts with nitrogen gas to afford ‘M3N’. ‘M3N’ on heating at high temperature gives back ‘M’ and on reaction with water produces a gas ‘B’. Gas‘B’ reacts with aqueous solution of CuSO4to form a deep blue compound. ‘M’ and‘B’ respectively are :[Main 8 April 2017]

Question

A metal ‘M’ reacts with nitrogen gas to afford ‘M3N’. ‘M3N’ on heating at high temperature gives back ‘M’ and on reaction with water produces a gas ‘B’. Gas‘B’ reacts with aqueous solution of CuSO4to form a deep blue compound. ‘M’ and‘B’ respectively are :

[Main 8 April 2017]

Accepted Answer

Correct Answer is : Li and NH3

Answer

Li and <fmath alttext="NH_3" class="fm-inline"><mrow><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">N</mi><msub><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">H</mi><mn>3</mn></msub></mrow></fmath>

Answer

Ba and <fmath alttext="N_2" class="fm-inline"><msub><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">N</mi><mn>2</mn></msub></fmath>

Answer

Na and <fmath alttext="NH_3" class="fm-inline"><mrow><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">N</mi><msub><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">H</mi><mn>3</mn></msub></mrow></fmath>

Answer

Al and <fmath alttext="N_2" class="fm-inline"><msub><mi class="fm-mi-length-1" mathvariant="italic" style="padding-right: 0.44ex;">N</mi><mn>2</mn></msub></fmath>

JEE Main 8 April 2017 Paper Solved Paper

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