हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएचएससी विज्ञान कक्षा ११

What is the empirical formula of the following? Caffeine (C8H10N4O2) a substance found in tea and coffee. - Chemistry

Advertisements
Advertisements

प्रश्न

What is the empirical formula of the following?

Caffeine (C8H10N4O2) a substance found in tea and coffee.

सारिणी

उत्तर

Compound Molecular formula Empirical formula
Caffeine C8H10N4O2 C4H5N2O
shaalaa.com
Empirical Formula and Molecular Formula
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Basic Concepts of Chemistry and Chemical Calculations - Evaluation [पृष्ठ ३४]

APPEARS IN

सामाचीर कलवी Chemistry - Volume 1 and 2 [English] Class 11 TN Board
अध्याय 1 Basic Concepts of Chemistry and Chemical Calculations
Evaluation | Q II. 12) ii) | पृष्ठ ३४

संबंधित प्रश्न

Assertion: Two mole of glucose contains 12.044 × 1023 molecules of glucose

Reason: Total number of entities present in one mole of any substance is equal to 6.02 × 1022


The number of water molecules in a drop of water weighing 0.018 g is


What is the empirical formula of the following?

Fructose (C6H12O6) found in honey.


Calculate the empirical and molecular formula of a compound containing 76.6% carbon, 6.38% hydrogen and rest oxygen its vapour density is 47.


A Compound on analysis gave Na = 14.31% S = 9.97% H = 6.22% and O = 69.5% calculate the molecular formula of the compound if all the hydrogen in the compound is present in combination with oxygen as water of crystallization. (molecular mass of the compound is 322).


The empirical formula of a compound is CH2O. If its molecular mass is 180, then the molecular formula of the compound is ______. 


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

[Atomic wt. of C is 12, H is 1]


In an ore of iron, iron is present in two oxidation state Fen+ and `"Fe"^(("n"+1)+)`. Number of `"Fe"^(("n"+1)+)` is twice the number of Fen+. If empirical formula of ore is FexO. The value of [x × 100] is ______.


A substance was known by its mode of synthesis to contain 10 atoms of carbon per molecule along with unknown number of atoms of chlorine hydrogen and oxygen. Analysis showed 60.5% carbon, 5.55% hydrogen, 16.10%j oxygen and 17.9% chlorine. The Empirical formula of the compound is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×