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JEE Main levelOne or more correct optionsDifficulty 2 of 3ro262

The compound shown is cleaved by excess periodic acid. Select ALL correct statements.

ATwo moles of $HIO X_{4}$ are consumed per mole of the compound.
B $CH X_{3} CHO$ is one of the products.
C $HCOOH$ is one of the products.
D $CH X_{3} COOH$ is one of the products.

Answer: A, B, C

The compound is butane-1,2,3-triol. Cleavage of C1-C2 gives

HCHO

and

CH X_{3} CH (OH) CHO

; this alpha-hydroxy aldehyde is cleaved to

CH X_{3} CHO

and

HCOOH

. Two moles of

HIO X_{4}

are used and the products are

HCHO

,

CH X_{3} CHO

and

HCOOH

; no ethanoic acid is formed because the methyl-bearing carbinol carbon becomes an aldehyde, not an acid.

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