JEE Mains · Chemistry · STD 11 - 1. Some basic concept of chemistry
The correct order of total number of atoms present in
(A) \(2\) moles of cyclohexane
(B) \(684\) g of sucrose
(C) \(90.8\) L of dihydrogen at STP
is:
- A \(C>A>B\)
- B \(C>B>A\)
- C \(B>C>A\)
- D \(B>A>C\)
Answer & Solution
Correct Answer
(D) \(B>A>C\)
Step-by-step Solution
Detailed explanation
For (A): Formula of cyclohexane is \(C_6H_{12}\). Number of atoms per molecule = \(6 + 12 = 18\). Total number of atoms in \(2\) moles = \(2 \times 18 \times N_A = 36 N_A\). For (B): Formula of sucrose is \(C_{12}H_{22}O_{11}\). Molar mass of sucrose = \(342\) g/mol. Number of…
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