g Which compounds are bases in aqueous solution according to Brønsted-Lowry theory? A chain of four carbon atoms connected by single bonds. Single bonds connect the first carbon atom to 3 hydrogen atoms. The second and third carbons are each connected to 2 hydrogen atoms by single bonds. The fourth carbon atom is double bonded to 1 oxygen atom and single bonded to 1 oxygen atom. The single bonded oxygen atom is connected to a hydrogen atom by a single bond. Both oxygen atoms have 2 lone pairs. A chain of 4 carbon atoms connected by single bonds. The first carbon atom is connected to 3 hydrogen atoms by single bonds. The second and third carbons are each connected to 2 hydrogen atoms by single bonds. The fourth carbon atom is double bonded to 1 oxygen atom with 2 lone pairs, and single bonded to 1 oxygen atom with 3 lone pairs. The oxygen atom with 3 lone pairs is marked with a minus sign.

Question

Chemistry

Shirley

23 October, 10:12

g Which compounds are bases in aqueous solution according to Brønsted-Lowry theory? A chain of four carbon atoms connected by single bonds. Single bonds connect the first carbon atom to 3 hydrogen atoms. The second and third carbons are each connected to 2 hydrogen atoms by single bonds. The fourth carbon atom is double bonded to 1 oxygen atom and single bonded to 1 oxygen atom. The single bonded oxygen atom is connected to a hydrogen atom by a single bond. Both oxygen atoms have 2 lone pairs. A chain of 4 carbon atoms connected by single bonds. The first carbon atom is connected to 3 hydrogen atoms by single bonds. The second and third carbons are each connected to 2 hydrogen atoms by single bonds. The fourth carbon atom is double bonded to 1 oxygen atom with 2 lone pairs, and single bonded to 1 oxygen atom with 3 lone pairs. The oxygen atom with 3 lone pairs is marked with a minus sign.

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Answers (1)

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Kathy Curry · Answer 1

A chain of four carbon atoms connected by single bonds. Single bonds connect the first carbon atom to 3 hydrogen atoms. The second and third carbons are each connected to 2 hydrogen atoms by single bonds. The fourth carbon atom is double bonded to 1 oxygen atom and single bonded to 1 oxygen atom. The single bonded oxygen atom is connected to a hydrogen atom by a single bond. Both oxygen atoms have 2 lone pairs.

Explanation:

In the Brownstead-Lowry definition of a base; a base is any substance that accepts a proton. Hence, a base must have available lone pairs to accept a proton and possess a plus sign afterwards. Only the bonding situation described in the answer meets this description.

The description in the second option should be a Brownstead-Lowry acid because it will rather donate a proton.