22690.The IUPAC name of 
is ______.
is ______.
2–methyl–3–bromohexanal
2–methyl–3–bromobutanal
3–bromo–2–methylbutanal
3–bromo–2–methylpentanal
22691.One mole of a symmetrical alkane on ozonolysis gives two moles of an aldehyde having molecular mass of 44u. The alkene is:
Ethene
Propene
1–butene
2–butene
22692.One mole of an organic compound 'A' with the formula C3H8O reacts completely with two moles of HI to form X and Y. When 'Y' is boiled with aqueous alkali it forms Z. Z answers the iodoform test. The compound 'A' is ______.
Propan–1–ol
Propan–2–ol
ethoxyethane
methoxyethane
22693.For making distinction between 2–pentanone and 3–pentanone the reagent to be employed is
K2Cr2O7/H2SO4
Zn–Hg/HCl
SeO2
Iodine/NaOH
22694.Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in the presence of sulphuric acid and produces
