SATHEE: Some Basic Principles Of Organic Chemistry Question 103

Some Basic Principles Of Organic Chemistry Question 103

Question: A compound has an empirical formula $C_{2} H_{4} O$ . An independent analysis gave a value of 132.16 for its molecular mass. What is the correct molecular formula [Kerala PMT 2004]

Options:

A) $C_{4} H_{4} O_{5}$

B) $C_{10} H_{12}$

C) $C_{7} O_{3}$

D) $C_{6} H_{12} O_{3}$

E) $C_{4} H_{8} O_{5}$

Show Answer

Answer:

Correct Answer: D

Solution:

Empirical formula weight $C_{2} H_{4} O$

$= (12 \times 2 + 4 + 16) = 44$ Molecular formula $= \frac{m o l .wt}{e q .formula wt .} \times$ Emp.

Formula $= \frac{132.1}{44} \times Emperical formula$

$= 3 \times C_{2} H_{4} O = C_{6} H_{12} O_{3}$

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Some Basic Principles Of Organic Chemistry Question 103

Question: A compound has an empirical formula C2H4O . An independent analysis gave a value of 132.16 for its molecular mass. What is the correct molecular formula [Kerala PMT 2004]

Options:

Answer:

Solution:

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Question: A compound has an empirical formula $C_{2} H_{4} O$ . An independent analysis gave a value of 132.16 for its molecular mass. What is the correct molecular formula [Kerala PMT 2004]