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.

The compounds that are bases in aqueous solution according to Bronsted-Lowry theory is ; ( A , B, C, D and E ).

Bronsted-Lowry theory states that a compound which is capable of accepting protons from another compound is a base while a compound that transfers protons to other compounds is categorised as an acid.  The compounds listed in the answer are capable of accepting protons because of the availability of lone pairs of protons.

Hence we can conclude that the compounds that re bases in aqueous solutions are as listed above.

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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.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.