The gas hydrazine has the molecular formula n2h4.
hydrazine burns in air to form nitrogen gas and steam.
n2h4(g) + o2(g) → n2(g) + 2h2o(g)
which statements are correct?
1) 1 mole of hydrazine gives 72 dm^3 of gaseous products when it reacts with oxygen at room temperature and pressure.
2) the empirical formula of hydrazine is nh2.
3) the total number of atoms in 1 mole of hydrazine is 6 x the avogadro constant.
4) the volume of 1 mole of hydrazine at room temperature and pressure is 6 x 24 dm^3 .
a) 1, 2 and 3
b) 1 and 2 only
c) 2, 3 and 4
d) 3 and 4 only