Find the incorrect options regarding the following reaction sequence- CH 3 Cl - AICl 3- monomethylation P CrO 2 Cl 2 - CS 2- H 3 O - QQ 1 - AC 2 O - CH 3 COONa -2 - H 2 O - - R - Acetic acidA- R gives positive Tollens- testB- Q gives positive Fehling-s testC- P- Q and R all give same compound when oxidized with KM nO 4 in an acidic mediumD- Q can give Cannizzaro reaction but not Aldol condensation

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Standard XII

Chemistry

Etards Reaction

Find the inco...

Question

Find the incorrect option(s) regarding the following reaction sequence.

R gives positive Tollens' test

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Q gives positive Fehling's test

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P, Q and R all give same compound when oxidized with

K M n O_{4}

in an acidic medium

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Q can give Cannizzaro reaction but not Aldol condensation

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Solution

The correct options are
A R gives positive Tollens' test
B Q gives positive Fehling's test

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Similar questions

Q. A carbonyl compound P (from i-iii), which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

1.The structure of Q and R are respectively:

A carbonyl compound P ( from above given i-iii), which gives positive iodoform test, undergoes reaction woth

M e M g B r

followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

P i . M e M g B r - ------ \to i i . H^{+}, H_{2} O H_{2} S O_{4} - --- \to Δ Q i . O_{3} - ------ \to i i . Z n - H_{2} O R O H^{-} - -- \to Δ S

The structure of Q and R are respectively:

Q. Consider the following reaction sequence and mark the incorrect option(s):

Cyclohexene (2 mol) c o n c . H_{2} S O_{4} - ------ \to Δ A (1 mol) O s O_{4} - -- \to K I O_{4} B (2 mol) d i l . N a O H - ----- \to Δ C (1 mol)

The structure of the carbonyl compound P, which gives positive iodoform test undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intramolecular aldol reaction to give predominantly S.

The structure of the carbonyl compound P is:

Q. A carbonyl compound P, which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin Q. Ozonolysis of Q leads to a dicarbonyl compound R, which undergoes intra-molecular aldol reaction to give predominantly S.

The structure of the carbonyl compound P, is

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Find the incorrect option(s) regarding the following reaction sequence.

The correct options are A R gives positive Tollens' test B Q gives positive Fehling's test

The correct options are
A R gives positive Tollens' test
B Q gives positive Fehling's test