CHEM BRAIN

A compound X contains 32% of A, 20% of B and remaining percentage of C, then the empirical formula of X is ( Given atomic masses of A=64, B=40; C=32) (NEET-2024)

A compound of phosphorous oxide has 43.6% of oxygen its empirical formula is MDCAT2023

A compound possesses 8% sulphur by mass. The least molecular mass is [AIIMS 2002]

Empirical formula is related to molecular formula by NUMS2021

The simplest formula of a compound containing 50% of element X (atomic mass 10) and 50% of element Y (atomic mass 20) is [Roorkee 1994]

The sample of a compound contains the 0.1g of hydrogen and 4.2g of nitrogen the simplest formula of compound is  ETEA-2005 medical

A compound (80 g) on analysis gave C = 24 g, H = 4 g, O = 32 g. Its empirical formula is [CPMT 1981]

If two compounds have the same empirical formula but different molecular formula, they must have [MP PMT 1986]

A compound of sodium oxide has 74.2% sodium and 25.8% of oxygen. The empirical formula of compound is MDCAT2022

An organic compound contains 78% (by weight) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is  NEET-2021

The empirical formula of Glucose C₆H₁₂O₆ is MdCAT2020