Which of the following statements about the reaction of propyne are correct? I- The reaction of 1 mol of propyne with 2 mols of hydrochloric acid ...
Which of the following statements about the reaction of propyne are correct?
I- The reaction of 1 mol of propyne with 2 mols of hydrochloric acid generates 2-chloropropene as the main product.
II- The reaction of 1 mol of propyne with 1 mol of bromine gas generates 1,2-dibromopropene as the main product.
III- The reaction of 1 mol of propyne with 1 mol of water generates 2-propenol as the main product.
IV- The reaction of 1 mol of propyne with 2 mol of chlorine gas generates 1,1,2,2-tetrachloropropane as the main product.
A) All statements are correct.
B) Only statements II and III are correct.
C) Only statements I and IV are correct.
D) Only statements I and II are correct.
E) Only statement III is correct.
I- The reaction of 1 mol of propyne with 2 mols of hydrochloric acid generates 2-chloropropene as the main product.
II- The reaction of 1 mol of propyne with 1 mol of bromine gas generates 1,2-dibromopropene as the main product.
III- The reaction of 1 mol of propyne with 1 mol of water generates 2-propenol as the main product.
IV- The reaction of 1 mol of propyne with 2 mol of chlorine gas generates 1,1,2,2-tetrachloropropane as the main product.
A) All statements are correct.
B) Only statements II and III are correct.
C) Only statements I and IV are correct.
D) Only statements I and II are correct.
E) Only statement III is correct.
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Ed 
A alternativa correta é a letra D) Apenas as afirmações I e II estão corretas. Explicação: I- A reação de 1 mol de propino com 2 mols de ácido clorídrico gera 2-cloropropeno como principal produto. II- A reação de 1 mol de propino com 1 mol de gás bromo gera 1,2-dibromopropeno como principal produto. III- A reação de 1 mol de propino com 1 mol de água gera 2-propenol como principal produto. IV- A reação de 1 mol de propino com 2 mols de gás cloro gera 1,1,2,2-tetracloropropano como principal produto. Portanto, apenas as afirmações I e II estão corretas.
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