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प्रश्न
Match the common names given in Column I with the IUPAC names given in Column II.
| Column I (Common names) |
Column II (IUPAC names) |
||
| (i) | Cinnamaldehyde | (a) | Pentanal |
| (ii) | Acetophenone | (b) | Prop-2-enal |
| (iii) | Valeraldehyde | (c) | 4-Methylpent-3-en-2-one |
| (iv) | Acrolein | (d) | 3-Phenylprop-2-enal |
| (v) | Mesityl oxide | (e) | 1-Phenylethanone |
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उत्तर
| Column I (Common names) |
Column II (IUPAC names) |
||
| (i) | Cinnamaldehyde | (d) | 3-Phenylprop-2-enal |
| (ii) | Acetophenone | (e) | 1-Phenylethanone |
| (iii) | Valeraldehyde | (a) | Pentanal |
| (iv) | Acrolein | (b) | Prop-2-enal |
| (v) | Mesityl oxide | (c) | 4-Methylpent-3-en-2-one |
Explanation:
| (Common names) | Structure | (IUPAC names) |
| (i) Cinnamaldehyde | ![]() |
3-Phenylprop-2-enal |
| (ii) Acetophenone | ![]() |
1-Phenylethanone |
| (iii) Valeraldehyde | ![]() |
Pentanal |
| (iv) Acrolein | ![]() |
Prop-2-enal |
| (v) Mesityl oxide | ![]() |
4-Methylpent-3-en-2- one |
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| Column I (Example) |
Column II (Reaction) |
||
| (i) | \[\begin{array}{cc} \phantom{...}\ce{O}\phantom{..............................}\ce{O}\phantom{}\\ \phantom{...}||\phantom{..............................}||\phantom{}\\ \ce{CH3 - C - Cl + H2 ->[Pd - C/BasO4] CH3 - C - H} \end{array}\] |
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| (ii) | ![]() |
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| (iii) | ![]() |
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| (iv) | \[\begin{array}{cc} \ce{R - CH2 - COOH ->[Br/Red P] R - CH - COOH}\\ \phantom{.....................}|\\ \phantom{.......................}\ce{Br} \end{array}\] |
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