Carbon and its Compounds

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Carbon and its Compounds - 07

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Q1. Which of the following is ethanol? *

1 point

CH3COOCH3

CH3CH2OH

CH3CHO

CH3COOH

Q2. Which of the following contains covalent bond? *

1 point

CaF2

HCl

Al2O3

MgCl2

Q3. The number of covalent bonds in C4H10 is *

1 point

Q4. R—CO—R represents the functional group *

1 point

Carboxylic acid

Alcohol

Aldehyde

Ketone

Q5. Which amongst the following will conduct electricity? *

1 point

NaCl (aq)

C2H5OH

C6H12O6

KCl(s)

Q6. The self linkage property (catenation) is maximum in *

1 point

sulphur

silicon

phosphorus

carbon

Q7. Ethene and ethyne can be distinguished by *

1 point

Cl2

Br2(l)

Br2 (aq) water

Q8. Which of the following statements are usually correct for carbon compounds? (i) are good conductors of electricity (ii) are poor conductors of electricity (iii) have strong forces of attraction between their molecules (iv) do nothave strong forces of attraction between their molecules *

1 point

(ii) and (iii)

(ii) and (iv)

(i) and (iv)

(i) and (iii)

Q9. Buckminsterfullerene is an allotropic form of *

1 point

sulphur

carbon

phosphorus

tin

Q10. Pentane has *

1 point

17 covalent bonds

12 covalent bonds

5 covalent bonds

16 covalent bonds

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