[yufgyfyu]

 Does not CaH2 reduce H2O to H2.

CaH2 is a base not a reducing agent.  much like you cant reduce carbonyls with NaH.  The s-orbitals of the hydride are non-directional (by definition) and are, therefore, terrible nucleophiles.  Reflux with LAH or use borane

[discodermolide]

In any case, How can CaH2 react to produce H2 and the calcium salt of the acid?

CaH2 + 2H2O ------> Ca(OH)2 + 2H2

It does the same with carboxylic acids to give the Ca salt of the acid
, Ca²⁺(RCOO^-)₂

[yufgyfyu]

 I wrote


      2 RCOOH + CaH2 ----> 2 RCOH + Ca(OH)2


   Where do you see H2O?

[yufgyfyu]

 Okay then write the formula for the reaction of acetic acid and calcium hydride and show me how H2 is produced.

In any case, How can CaH2 react to produce H2 and the calcium salt of the acid?

CaH2 + 2H2O ------> Ca(OH)2 + 2H2

It does the same with carboxylic acids to give the Ca salt of the acid
, Ca²⁺(RCOO^-)₂

[discodermolide]

Okay then write the formula for the reaction of acetic acid and calcium hydride and show me how H2 is produced.

In any case, How can CaH2 react to produce H2 and the calcium salt of the acid?

CaH2 + 2H2O ------> Ca(OH)2 + 2H2

It does the same with carboxylic acids to give the Ca salt of the acid
, Ca²⁺(RCOO^-)₂

2CH₃COOH + CaH₂ -----------> (CH₃COO^-)₂Ca²⁺ + 2H₂

[discodermolide]

I wrote


      2 RCOOH + CaH2 ----> 2 RCOH + Ca(OH)2


   Where do you see H2O?

Nowhere, but this reaction is a reduction , as written, and CaH2 is not a reducing agent

[yufgyfyu]

 Doesn't CaH2 reduce H2O to H2? Making it the reducer?

[discodermolide]

Doesn't CaH2 reduce H2O to H2? Making it the reducer?

This is not a redox reaction but an acid/base system

[yufgyfyu]

You may have won this round, but you've made a powerful enemy.

[discodermolide]

You may have won this round, but you've made a powerful enemy.

Enemy, I hope not:)).
I enjoy discussing chemistry even if I am right or wrong.
See you back here sometime

[Honclbrif]

Doesn't CaH2 reduce H2O to H2? Making it the reducer?

This is not a redox reaction but an acid/base system

I think acid-base and redox both describe this reaction. I think of it as a comproportionation reaction where H^- and H⁺ form H₂ with H in the zero oxidation state. Hydride is the reductant, and H⁺ is the oxidant.

If you go by the Usanovich definition of acid-base behavior, any redox reaction is and acid-base reaction.

[yufgyfyu]

 Yeah I was just joking about the enemy thing.

[nox]

Wow first you necro a 7 year old thread then this?? Unbelievable.

[discodermolide]

Wow first you necro a 7 year old thread then this?? Unbelievable.

Perhaps you could explain your remarks?

[Dan]

I think nox is pointing out that that BenFrank1 has so far managed to resurrect a dead 7 month old thread and post mostly nonsense in this one with a rather heavy dose of misplaced arrogance. Not the most auspicious start to chemicalforums life...

Hey azmanam, do you have any of that popcorn left?