Question

Which is a combination reaction and which is not?

a) H2 + Cl2 → 2 HCl

b) 2 HBr + Cl2 → 2 HCl + Br2​

Answer 1

Answer:

H2 + Cl2 -----> 2 HCl

is combination reaction as two reactants combine to form a single product.

Answer 2

Answer:

a) it is a combination reaction

b) it is not a combination reaction

in a combination reaction the reactants combine to formally a single product

Hope it was helpful