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10th ICSE
IMPORTANT
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Draw the structural formula for But-2-yne.

Important Questions on Organic Chemistry

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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (e)
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is Br-CH2-CH2-Br. (i) Draw the structural formula of A. 
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (e)
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is Br-CH2-CH2-Br. (i) What type of reaction has A undergone?
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (e)
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is Br-CH2-CH2-Br. (iii)  What is your observation?
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (e)
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is Br-CH2-CH2-Br. (iv)  Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (e)
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is Br-CH2-CH2-Br(v) What is the procedure for converting the product of (e) (iv)(ethanol) back to A?
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (a)
The functional group present in acetic acid is:
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (b)
The unsaturated hydrocarbons undergo: 
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10th ICSE
IMPORTANT
Selina Icse Concise Chemistry For Class 10>Chapter 12 - Organic Chemistry>MISCELLANEOUS>Q (c)
The number of C-H bonds in ethane molecule are: