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When propanal is heated with Zn-Hg and conc. HCI, which is formed
A. `C_3H_4`
B. `C_3H_6`
C. `C_3H_8`
D. `C_3H_7Cl`

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Correct Answer - C
`CH_3-overset(overset(O)||)C-CH_3+4[H]underset(conc.HCI)overset(Zn-Hg)toC_3H_8`

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