Both LiAlH₄ and NaBH₄ Are Reducing Agents

question 57

Multiple Choice

Both LiAlH₄ and NaBH₄ are reducing agents.Which statement about these reagents is true?

• A)Both reagents contain polar metal-hydrogen bonds.The polarity of the B-H bond is greater than the polarity of the Al-H bond,so LiAlH₄ is the stronger reducing agent.
• B)Both reagents contain polar metal-hydrogen bonds.The polarity of the B-H bond is greater than the polarity of the Al-H bond,so LiAlH₄ is the weaker reducing agent.
• C)Both reagents contain polar metal-hydrogen bonds.The polarity of the B-H bond is less than the polarity of the Al-H bond,so LiAlH₄ is the stronger reducing agent.
• D)Both reagents contain polar metal-hydrogen bonds.The polarity of the B-H bond is less than the polarity of the Al-H bond,so LiAlH₄ is the weaker reducing agent.

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Definitions:

Polyploidy

The condition of having more than two complete sets of chromosomes, common in plants and some animal species, leading to variation and sometimes increased size or vigor.

Plants

Plants are multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae, characterized by their ability to produce their own food through photosynthesis and their unique cell structures.

Fungi

A kingdom of heterotrophic organisms that includes yeasts, molds, and mushrooms, characterized by their chitin cell walls and absorptive nutrition.

Primates

An order of mammals that includes humans, apes, monkeys, and related species, characterized by large brains, forward-facing eyes, and opposable thumbs.