4. Isomerism
GENERAL ORGANIC CHEMISTRY

231939 Compound ' $A$ ' undergoes following sequence of reactions to give compound ' $B$ '. The correct structure and chirality of compound ' $B$ ' is: [where $\mathbf{E t}$ is $-\mathrm{C}_{2} \mathrm{H}_{5}$ ]
\(\xrightarrow[\text { (ii) } \mathrm{D}_2 \mathrm{O}]{\text { (i) } \mathrm{Mg} \cdot \mathrm{Et}_2 \mathrm{O}}\)
Compound ' $\mathrm{A}$ '

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231944 Consider the following structures:
original image
Which one of the following is correct in respect of above structures?

1 The structures A and B are enantiomers
2 The structures $\mathrm{A}$ and $\mathrm{C}$ are geometrical isomers
3 The structure A and B are two molecules isomers
4 The structures $\mathrm{A}$ and $\mathrm{B}$ are geometrical isomer
GENERAL ORGANIC CHEMISTRY

231945 Consider the following molecules:
original image
The enantiomers rotate the plane polarized light in opposite directions. If the molecule A rotates the plane polarized light by $(+) 56^{\circ}$, then $B$ will exhibit rotation of

1 $0^{\circ}$
2 $(-) 56^{\circ}$
3 $(+) 56^{\circ}$
4 None of the above
GENERAL ORGANIC CHEMISTRY

231947 Consider the following compound
original image
What is the number of stereoisomers possible for the above compound?

1 2
2 3
3 4
4 5
GENERAL ORGANIC CHEMISTRY

231948 According to Cahn-Ingold-Preelog sequence rules, the correct order of priority for the given groups is

1 $-\mathrm{COOH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}>-\mathrm{CHO}$
2 $-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}$
3 $-\mathrm{OH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{CHO}>-\mathrm{COOH}$
4 $-\mathrm{OH}>-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}$
GENERAL ORGANIC CHEMISTRY

231939 Compound ' $A$ ' undergoes following sequence of reactions to give compound ' $B$ '. The correct structure and chirality of compound ' $B$ ' is: [where $\mathbf{E t}$ is $-\mathrm{C}_{2} \mathrm{H}_{5}$ ]
\(\xrightarrow[\text { (ii) } \mathrm{D}_2 \mathrm{O}]{\text { (i) } \mathrm{Mg} \cdot \mathrm{Et}_2 \mathrm{O}}\)
Compound ' $\mathrm{A}$ '

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231944 Consider the following structures:
original image
Which one of the following is correct in respect of above structures?

1 The structures A and B are enantiomers
2 The structures $\mathrm{A}$ and $\mathrm{C}$ are geometrical isomers
3 The structure A and B are two molecules isomers
4 The structures $\mathrm{A}$ and $\mathrm{B}$ are geometrical isomer
GENERAL ORGANIC CHEMISTRY

231945 Consider the following molecules:
original image
The enantiomers rotate the plane polarized light in opposite directions. If the molecule A rotates the plane polarized light by $(+) 56^{\circ}$, then $B$ will exhibit rotation of

1 $0^{\circ}$
2 $(-) 56^{\circ}$
3 $(+) 56^{\circ}$
4 None of the above
GENERAL ORGANIC CHEMISTRY

231947 Consider the following compound
original image
What is the number of stereoisomers possible for the above compound?

1 2
2 3
3 4
4 5
GENERAL ORGANIC CHEMISTRY

231948 According to Cahn-Ingold-Preelog sequence rules, the correct order of priority for the given groups is

1 $-\mathrm{COOH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}>-\mathrm{CHO}$
2 $-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}$
3 $-\mathrm{OH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{CHO}>-\mathrm{COOH}$
4 $-\mathrm{OH}>-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}$
GENERAL ORGANIC CHEMISTRY

231939 Compound ' $A$ ' undergoes following sequence of reactions to give compound ' $B$ '. The correct structure and chirality of compound ' $B$ ' is: [where $\mathbf{E t}$ is $-\mathrm{C}_{2} \mathrm{H}_{5}$ ]
\(\xrightarrow[\text { (ii) } \mathrm{D}_2 \mathrm{O}]{\text { (i) } \mathrm{Mg} \cdot \mathrm{Et}_2 \mathrm{O}}\)
Compound ' $\mathrm{A}$ '

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231944 Consider the following structures:
original image
Which one of the following is correct in respect of above structures?

1 The structures A and B are enantiomers
2 The structures $\mathrm{A}$ and $\mathrm{C}$ are geometrical isomers
3 The structure A and B are two molecules isomers
4 The structures $\mathrm{A}$ and $\mathrm{B}$ are geometrical isomer
GENERAL ORGANIC CHEMISTRY

231945 Consider the following molecules:
original image
The enantiomers rotate the plane polarized light in opposite directions. If the molecule A rotates the plane polarized light by $(+) 56^{\circ}$, then $B$ will exhibit rotation of

1 $0^{\circ}$
2 $(-) 56^{\circ}$
3 $(+) 56^{\circ}$
4 None of the above
GENERAL ORGANIC CHEMISTRY

231947 Consider the following compound
original image
What is the number of stereoisomers possible for the above compound?

1 2
2 3
3 4
4 5
GENERAL ORGANIC CHEMISTRY

231948 According to Cahn-Ingold-Preelog sequence rules, the correct order of priority for the given groups is

1 $-\mathrm{COOH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}>-\mathrm{CHO}$
2 $-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}$
3 $-\mathrm{OH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{CHO}>-\mathrm{COOH}$
4 $-\mathrm{OH}>-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
GENERAL ORGANIC CHEMISTRY

231939 Compound ' $A$ ' undergoes following sequence of reactions to give compound ' $B$ '. The correct structure and chirality of compound ' $B$ ' is: [where $\mathbf{E t}$ is $-\mathrm{C}_{2} \mathrm{H}_{5}$ ]
\(\xrightarrow[\text { (ii) } \mathrm{D}_2 \mathrm{O}]{\text { (i) } \mathrm{Mg} \cdot \mathrm{Et}_2 \mathrm{O}}\)
Compound ' $\mathrm{A}$ '

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231944 Consider the following structures:
original image
Which one of the following is correct in respect of above structures?

1 The structures A and B are enantiomers
2 The structures $\mathrm{A}$ and $\mathrm{C}$ are geometrical isomers
3 The structure A and B are two molecules isomers
4 The structures $\mathrm{A}$ and $\mathrm{B}$ are geometrical isomer
GENERAL ORGANIC CHEMISTRY

231945 Consider the following molecules:
original image
The enantiomers rotate the plane polarized light in opposite directions. If the molecule A rotates the plane polarized light by $(+) 56^{\circ}$, then $B$ will exhibit rotation of

1 $0^{\circ}$
2 $(-) 56^{\circ}$
3 $(+) 56^{\circ}$
4 None of the above
GENERAL ORGANIC CHEMISTRY

231947 Consider the following compound
original image
What is the number of stereoisomers possible for the above compound?

1 2
2 3
3 4
4 5
GENERAL ORGANIC CHEMISTRY

231948 According to Cahn-Ingold-Preelog sequence rules, the correct order of priority for the given groups is

1 $-\mathrm{COOH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}>-\mathrm{CHO}$
2 $-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}$
3 $-\mathrm{OH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{CHO}>-\mathrm{COOH}$
4 $-\mathrm{OH}>-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}$
GENERAL ORGANIC CHEMISTRY

231939 Compound ' $A$ ' undergoes following sequence of reactions to give compound ' $B$ '. The correct structure and chirality of compound ' $B$ ' is: [where $\mathbf{E t}$ is $-\mathrm{C}_{2} \mathrm{H}_{5}$ ]
\(\xrightarrow[\text { (ii) } \mathrm{D}_2 \mathrm{O}]{\text { (i) } \mathrm{Mg} \cdot \mathrm{Et}_2 \mathrm{O}}\)
Compound ' $\mathrm{A}$ '

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231944 Consider the following structures:
original image
Which one of the following is correct in respect of above structures?

1 The structures A and B are enantiomers
2 The structures $\mathrm{A}$ and $\mathrm{C}$ are geometrical isomers
3 The structure A and B are two molecules isomers
4 The structures $\mathrm{A}$ and $\mathrm{B}$ are geometrical isomer
GENERAL ORGANIC CHEMISTRY

231945 Consider the following molecules:
original image
The enantiomers rotate the plane polarized light in opposite directions. If the molecule A rotates the plane polarized light by $(+) 56^{\circ}$, then $B$ will exhibit rotation of

1 $0^{\circ}$
2 $(-) 56^{\circ}$
3 $(+) 56^{\circ}$
4 None of the above
GENERAL ORGANIC CHEMISTRY

231947 Consider the following compound
original image
What is the number of stereoisomers possible for the above compound?

1 2
2 3
3 4
4 5
GENERAL ORGANIC CHEMISTRY

231948 According to Cahn-Ingold-Preelog sequence rules, the correct order of priority for the given groups is

1 $-\mathrm{COOH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}>-\mathrm{CHO}$
2 $-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{OH}$
3 $-\mathrm{OH}>-\mathrm{CH}_{2} \mathrm{OH}>-\mathrm{CHO}>-\mathrm{COOH}$
4 $-\mathrm{OH}>-\mathrm{COOH}>-\mathrm{CHO}>-\mathrm{CH}_{2} \mathrm{OH}$