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Chemistry

General

Easy

Question

A ketone reacted with $straight C subscript 2 straight H subscript 5 MgBr$ reagent followed by hydrolysis gave a product which on dehydration gives an alkene. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:

Dimethyl ketone
Ethyl methyl ketone
Diethyl ketone
Ethyl propyl ketone

The correct answer is: Diethyl ketone

Related Questions to study

Consider the reaction:

$R CHO plus NH subscript 2 NH subscript 2 not stretchy rightwards arrow R CH equals straight N minus NH subscript 2$
What sort of reaction is it?

Consider the reaction:

$R CHO plus NH subscript 2 NH subscript 2 not stretchy rightwards arrow R CH equals straight N minus NH subscript 2$
What sort of reaction is it?

ChemistryGeneral

$CH subscript 3 COOH not stretchy ⟶ with LiAlH subscript 4 on top straight A plus CH subscript 3 COOH not stretchy ⟶ with straight H subscript 3 straight O to the power of plus on top straight B plus straight H subscript 2 straight O$
In the above reactions ‘A’ and ‘B’ respectively are

$CH subscript 3 COOH not stretchy ⟶ with LiAlH subscript 4 on top straight A plus CH subscript 3 COOH not stretchy ⟶ with straight H subscript 3 straight O to the power of plus on top straight B plus straight H subscript 2 straight O$
In the above reactions ‘A’ and ‘B’ respectively are

ChemistryGeneral

Amides may be converted into amines by reaction named after:

Amides may be converted into amines by reaction named after:

ChemistryGeneral

parallel

Carboxylic acids dissolve in NaOH because the acids undergo:

Carboxylic acids dissolve in NaOH because the acids undergo:

ChemistryGeneral

0.20 g of a hydrocarbon on combustion gave 0.66 g CO₂ .The percentage of hydrogen in the hydrocarbon is about :

0.20 g of a hydrocarbon on combustion gave 0.66 g CO₂ .The percentage of hydrogen in the hydrocarbon is about :

ChemistryGeneral

ChemistryGeneral

parallel

Match the columns.

Column I

Column II

A)
$H subscript 2 left parenthesis g right parenthesis plus I subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 HI left parenthesis g right parenthesis$ P)
Unaffected by inert gas addition

B)
$CaCO subscript 3 left parenthesis s right parenthesis not stretchy rightwards harpoon over leftwards harpoon CaO left parenthesis s right parenthesis plus CO subscript 2 left parenthesis g right parenthesis$ Q)
Forward shift by rise in pressure and backward shift by inert gas
addition.

C)
$N subscript 2 left parenthesis g right parenthesis plus 3 H subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 NH subscript 3 left parenthesis g right parenthesis$ R)
Unaffected by increase in pressure.

D)
$PCl subscript 5 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon PCl subscript 3 left parenthesis g right parenthesis plus Cl subscript 2 left parenthesis g right parenthesis$ S)
Backward shift by rise in pressure and forward shift by inert gas addition.

Match the columns.

Column I

Column II

A)
$H subscript 2 left parenthesis g right parenthesis plus I subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 HI left parenthesis g right parenthesis$ P)
Unaffected by inert gas addition

B)
$CaCO subscript 3 left parenthesis s right parenthesis not stretchy rightwards harpoon over leftwards harpoon CaO left parenthesis s right parenthesis plus CO subscript 2 left parenthesis g right parenthesis$ Q)
Forward shift by rise in pressure and backward shift by inert gas
addition.

C)
$N subscript 2 left parenthesis g right parenthesis plus 3 H subscript 2 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon 2 NH subscript 3 left parenthesis g right parenthesis$ R)
Unaffected by increase in pressure.

D)
$PCl subscript 5 left parenthesis g right parenthesis not stretchy rightwards harpoon over leftwards harpoon PCl subscript 3 left parenthesis g right parenthesis plus Cl subscript 2 left parenthesis g right parenthesis$ S)
Backward shift by rise in pressure and forward shift by inert gas addition.

ChemistryGeneral

In Gattermann Koch reactionthe product formed is

In Gattermann Koch reactionthe product formed is

ChemistryGeneral

Which one of the following has no stereogenic center?

Which one of the following has no stereogenic center?

ChemistryGeneral

parallel

$straight A space steel space ball space of space mass space 2 straight m space suffers space one minus dimensional space elastic space collision space with space straight a space row space of space three space steel space balls comma space each space of space mass space straight m. space If space mass space 2 straight m space has space collided space with space velocity space straight v space and space the space three space balls space numbered space 1 comma 2 comma 3 space were space initially space at space rest comma space then space after space the space collision$

$straight A space steel space ball space of space mass space 2 straight m space suffers space one minus dimensional space elastic space collision space with space straight a space row space of space three space steel space balls comma space each space of space mass space straight m. space If space mass space 2 straight m space has space collided space with space velocity space straight v space and space the space three space balls space numbered space 1 comma 2 comma 3 space were space initially space at space rest comma space then space after space the space collision$

$straight A space body space of space mass space 2 space kg space moving space with space straight a space velocity space 3 space straight m divided by straight s space collides space with space straight a space body space of space mass space 1 space kg space moving space with space straight a space velocity space of space 4 space straight m divided by straight s space in space opposite space direction. space If space the space collision space is space head space on space and space completely space inelastic comma space then$

$straight A space body space of space mass space 2 space kg space moving space with space straight a space velocity space 3 space straight m divided by straight s space collides space with space straight a space body space of space mass space 1 space kg space moving space with space straight a space velocity space of space 4 space straight m divided by straight s space in space opposite space direction. space If space the space collision space is space head space on space and space completely space inelastic comma space then$

parallel

$straight A space particle space straight A space suffers space an space oblique space elastic space collision space with space straight a space particle space straight B space that space is space at space rest space initially. space If space their space masses space are space the space same comma space then space after space the space collision$

$straight A space particle space straight A space suffers space an space oblique space elastic space collision space with space straight a space particle space straight B space that space is space at space rest space initially. space If space their space masses space are space the space same comma space then space after space the space collision$

$straight A space body space moving space towards space straight a space body space of space finite space mass space at space rest space collides space with space it. space It space is space possible space that$

$straight A space body space moving space towards space straight a space body space of space finite space mass space at space rest space collides space with space it. space It space is space possible space that$

$In space an space elastic space collision space between space two space particles$

$In space an space elastic space collision space between space two space particles$

parallel

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