How many lone pairs in CCl4?

How many lone pairs in CCl4?
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Zero
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When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the following compounds is formed when this gas is treated with bromine in CCl4?E2 (a) Bromomethane (b) 1,2-Dibromoethane (c) Bromoethane (d) 1,1,2,2-Tetrabromoethane

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Starting with 2-butene, which of the following is the best method for preparing 2-butyne? (a) HBr; H2/Ni; Zn/H+ (b) HBr; Zn/H+; H2/Ni (c) Br2/CCl4; Zn/H+; H2/Ni (d) Br2/CCl4; 2NaNH2

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Which of the following compounds will react most readily with bromine in CCl4? (a) CH3CH2CH3 (b) (CH3)3CH (c) CH3CH=CH2 (d) (CH3)4C

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Baeyer's reagent is (a) dilute KMnO4 (b) HCl + ZnCl2 (c) Br2 in CCl4 (d) NH2NH2

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A compound of formula C3H8 does not react with bromine in CCl4 in the dark. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene

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The chlorination of methane to give CCl4 is an example of (a) an electrophilic addition (b) a free-radical substitution (c) a nucleophilic addition (d) an electrophilic substitution

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Carbon tetrachloride (CCl4 ) is the starting raw material for the manufacture of (A) Trichloroethylene (B) Perchloroethylene (C) Parathion (D) Methanol

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Pick out the wrong statement. (A) Molecules with symmetrical arrangements (e.g. CH4 or CCl4) are non polar (B) Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise (C) Most of the hydrocarbons are non-polar (D) None of these

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Which one of the following substances will form strong hydrogen bonds? A HCOOH B CH3CN C CCl4 D SiH4 E CH3OCH3

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Last Answer : A HCOOH

Which of the following molecules has a dipole moment? w) BF3 x) NH3 y) CCL4 z) CH4

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Last Answer : ANSWER: B -- NH3

Which of the following compounds has the lowest boiling points? w) CH4 x) CCl4 y) PH3 z) PCl3

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Which of the following compounds has the highest boiling point? w) CH4 x) CCL4 y) HI z) IF5

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If your house is a lone survivor of a wildfire, are you better off or not?

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Last Answer : As you surely already know, a home is more than just a house . If I manage to save the structure - and its contents - then I'll consider it a win. On the other hand, the risk that the homeowner takes ... an hour or two while the fire burns over and moves on, and until it is safe to come out again.