Give the chemical formula for
i - VCE - SSCE Chemistry - Question 1 - 2004 - Paper 1
Question 1
Give the chemical formula for
i. A nitrogen-containing compound that is the end waste product of the digestion of proteins
ii. The carboxyl functional group
iii. ... show full transcript
Worked Solution & Example Answer:Give the chemical formula for
i - VCE - SSCE Chemistry - Question 1 - 2004 - Paper 1
Step 1
i. A nitrogen-containing compound that is the end waste product of the digestion of proteins
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Answer
The chemical formula for a nitrogen-containing compound that is the end waste product of protein digestion is urea, which has the formula:
NH2CONH2
Step 2
ii. The carboxyl functional group
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The carboxyl functional group has the chemical formula:
-COOH
Step 3
iii. An oxide from period 3 that reacts with NaOH but not with HCl
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The oxide that fits this description is sodium oxide, which has the formula:
Na2O
Step 4
iv. A compound that is always a reactant in a hydrolysis reaction
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Water (H2O) is always a reactant in a hydrolysis reaction and is represented by the formula:
H2O
Step 5
v. The element whose ion of charge +3 has an electron configuration of 1s2s2p2s3p3s3p3d5
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The element with a +3 charge and the given electron configuration is arsenic (As), which typically forms the ion:
