A chemistry problem by puneet mangla

Chemistry Level 4

How many of following gives N2:-

a) (HOSO2.NH3+)( NO2-) --heat---->

b) N2H5NO2 -----heat------>

c) (NH4)2 SO4 -----heat --->

d) N2H4 + I2 --------->

e) N2H4 + O2 -------->

f) N2H4 + Zn + HCl -------->

g) NOCL + NaNO3 ------->

h) N2H4 + Cu2+ ------->

i) NH4NO2 ----heat --->

j) urea + H2S2O7 ----heat--->

k) ClF3 + N2H4 ------>

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