Lead Compounds and Their Properties

The video tutorial explains how to write the chemical formula for lead(IV) phosphide. It begins by identifying the symbols for lead and phosphorus and their respective charges. The tutorial then demonstrates how to balance these charges using the crisscross method to ensure a neutral compound. The final formula, Pb3P4, is verified by checking the net charge. The video concludes with a note that the compound may not exist but provides the correct method for writing its formula.

What is the symbol for lead in the periodic table?

• Pb

• Pd

• P

• Pt

What charge does lead have in lead(IV) phosphide?

• 2+

• 4+

• 3+

• 5+

What is the charge on phosphorus in the periodic table?

• 3-

• 4-

• 2-

• 1-

Which method is used to balance the charges in lead(IV) phosphide?

• Crisscross method

• Cross-multiply method

• Addition method

• Substitution method

What is the formula for lead(IV) phosphide?

• PbP

• Pb3P4

• Pb2P3

• Pb4P3

How do you verify the formula for lead(IV) phosphide?

• By checking the solubility

• By measuring the mass

• By ensuring the net charge is zero

• By checking the color of the compound

What is the net charge of lead(IV) phosphide?

• -1

• 0

• +2

• +1

Does lead(IV) phosphide exist as a known compound?

• Yes

• No

• Only in theory

• Only in liquid form