Empirical & Molecular Formula NCERT Exemplar (Objective) Based MCQs Some Basic Concepts Of Chemistry Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The empirical formula and molecular mass of a compound are ${CH}_{2} O$ and 180 g, respectively. The molecular formula of the compound is -

1. C₉H₁₈O₉	2. CH₂O
3. C₆H₁₂O₆	4. C₂H₄O₂

Subtopic: Empirical & Molecular Formula |

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Assertion (A):	The empirical mass of ethene is half of its molecular mass.
Reason (R):	The empirical formula represents the simplest whole-number ratio of the various atoms present in a compound.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	(A) is false but (R) is true.

Subtopic: Empirical & Molecular Formula |

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