A compound contains 3.2% of oxygen by mass, the minimum molar mass of the compound is

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Questions Match

1.
A compound contains 3.2% of oxygen by mass, the minimum molar mass of the compound is

1. 3002. 4403. 3504. 500

2.
A compound has a molecular weight of 350. If it contains 20% by mass of nitrogen, then number of atoms of nitrogen in one molecule of the compound is

1. 22. 33. 44. 5

3.
A compound of metal (M) and nitrogen (N) with formula M₃N₂ contains 28% of nitrogen. The atomic mass of the metal is

1. 242. 93. 784. 54

4.
A compound having molecular formula C₄H₁₀O will show

1. Functional isomerism2. Metamerism3. Position isomerism4. All of these

5.
For a compound to be aromatic which condition is not necessary?

1. It contains 4n π electron (n = 0, 1, 2…)2. It contains 4n + 2 π electron (n = 0, 1, 2…)3. It must be planar4. Both (1) & (3)

A compound contains 3.2% of oxygen by mass, the minimum molar mass of the compound is