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An organic compound contains 78% (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is [Atomic wt. of C is 12, H is 1]

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An organic compound contains 78% (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is [Atomic wt. of C is 12, H is 1]

(1) CH

(2) CH2

(3) CH3

(4) CH4

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Answer: (3) CH3

Explanation:

Element % At. weight \(\frac{\%}{At.\; weight}\) simplest ratio

C  78   12   6.5    = 1

H   22    1   22     = 3

Empirical formula of this compound is CH3.

This post was modified 1 year ago by nimit
This post was modified 7 months ago by admin
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