Question

Which of the following reactions would NOT occur (→no reaction)?

Li + HCl → ?


2Cu + 4HCl → ?


2Fe + 6HCl → ?


Ca + 2HCl → ?

Answer 1

the second will not occure

2Cu + 4HCl

Step-by-step explanation:

because cu come after Hydrogen H in the chemical activity series so it is less active than H .. it cannot substitute H in acids