Ethene reacts with both hydrogen and steam. Which row gives the correct information about these reactions?
- Areactant with ethene: hydrogen; type of reaction: substitution; catalyst used: phosphoric acid
- Breactant with ethene: hydrogen; type of reaction: addition; catalyst used: nickel
- Creactant with ethene: steam; type of reaction: substitution; catalyst used: phosphoric acid
- Dreactant with ethene: steam; type of reaction: addition; catalyst used: nickel