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41. Which of the following hydrocarbon have a triple bond? (NTSE Chhattisgarh, Stage-I, 2016-17)
C2H6
C3H4
C3H6
C3H8
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42. Which of the following is not an allotrope of Carbon? (NTSE Andhra Pradesh, Stage-I, 2015-16)
Diamond
Buckminsterfullerene
Micelle
Graphite
43. Match the following.
(a)-iii, (b)-ii, (c)-i, (d)-iv
(a)-ii, (b)-iii, (c)-i, (d)-iv
(a)-iv, (b)-iii, (c)-ii, (d)-i
(a)-iii, (b)-ii, (c)-iv, (d)-i
44. The gaseous hydrocarbon acetylene C2H2 used in welder's torch releases 1300 kJ. When 1 mole C2H2 undergoes combustion, then which of the following is not true? (NTSE Andhra Pradesh, Stage-I, 2016-17)
Combustion of acetylene is exothermic reaction
The balanced chemical reacting combustion of acetylene is C2H2 + 502 → 2C02 + H20
2 moles of water are produced when 2 moles of acetylene reacts
44 g of CO2 produced when 13 g of acetylene reacts
45. What is the IUPAC name of the following compound?
pent-2-ene
pent-I-ene
pent-3-ene
1-methyl-but-2-ene
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