Which of the following compounds can have a double bond?C4H10 ; C5H8 ; C5H10
The general formula of compounds having a double bond is CnH2n. Hence, the compound having a double bond is C5H10.
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- Which of the following can have a triple bond?C2H4 ; C3H4 ; C3H6
- Give one example each of the following:(i) A molecule containing a single covalent bond (ii) A molecule containing a double covalent bond (iii) A molecule containing a triple covalent bond (iv) A compound containing an ionic bond
- Two organic compounds A and B have the same molecular formula C6H12. Write the names and structural formulae:(a) if A is a cyclic compound(b) if B is an open chain compound(c) Which compound contains single bonds as well as a double bond?(d) Which compound contains only single bond?
- Which of the following hydrocarbons will give substitution reactions and why?CH4, C3H6, C3H8, C4H6, C5H12, C5H10
- Which of the following will give addition reaction and why?C4H10, C2H6, C2H4, CH4, C3H8, C3H4
- Which of the following statements are true (T) and which are false (F):A triangle can have two right angles.
- Which of the following statements are true (T) and which are false (F):A triangle can have two obtuse angles.
- In which of the following compounds, — OH is the functional group?ButanoneButanolButanoic acidButanal
- (a) Give the general formula of an: (i) alkane, (ii) alkene, and (iii) alkyne.(b) Classify the following compounds as alkanes, alkenes, and alkynes: C2H4 , C3H4 , C4H8 , C5H12 , C5H8 , C3H8 , C6H6.
- Name two catalysts which can be used in the hydrogenation of unsaturated compounds.
- Write the names of the following compounds"
- (a) Why does the element carbon form a large number of carbon compounds?(b) Write down the structures and names of two isomers of butane (C4H10).
- Which of the following statements are true (T) and which are false (F):A triangle can have at most one obtuse angles.
- Explain why:(a) Covalent compounds have generally low melting points.(b) Ionic compounds have generally high melting points.
- You are given the following molecular formulae of some hydrocarbons:C5H8 ; C7H14 ; C6H6 ; C5H10 ; C7H12 ; C6H12 (a) Which formula represents cyclohexane as well as hexane? (b) Which formula represents benzene? (c) Which three formulae represent open chain unsaturated hydrocarbons having double bonds? (d) Which two formulae represent unsaturated hydrocarbons having triple bonds? (e) Which three formulae can represent cyclic hydrocarbons?
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