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Chemistry > Deck 16 (301 - 320) > Flashcards

Deck 16 (301 - 320) Flashcards

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1
Q
  1. The maximum number of electrons in the third shell is ?
A

18 (32 acc. to google)

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2
Q
  1. PIC
A
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3
Q
  1. Give an example of isolated alkadiene
A

H2C=CH-CH2-CH=CH2

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4
Q
  1. What is the symbol of silver?
A

Ag

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5
Q
  1. What product do you expect from oxidation of primary alcohol?
A

aldehyde

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6
Q
  1. How covalent bonds are formed by each atom in the molecule of H2O?
A

2

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7
Q
  1. Identify the type of reaction:
    hydrogenation
    HC[triple bond]CH ——————> H3C-CH3

a. substitution
b. condensation
c. elimination
d. addition

A

addition

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8
Q
  1. PIC
A
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9
Q
  1. Strong acids:

a. ionize slightly and produce a few hydroxide ions ion solution
b.ionize completely and produce a many hydroxide ions ion solution
c. ionize slightly and produce a few hydrogen ions in solution
d. ionize completely and produce many hydrogen ions in solution

A

ionize completely and produce many hydrogen ions in solution

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10
Q
  1. Give the name of two unsaturated fatty acids
A
  1. linoleic acid
  2. linolenic acid
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11
Q
  1. The energy required to removed an electron from an atom is known as
A

ionisation energy

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12
Q
  1. PIC
A
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13
Q
  1. The element has symbol 25/13X. Give its group number and period number
A

group no. = IIIA or 13
period no. = 3

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14
Q
  1. The name of the product produced by the following reaction is:

H2C=CH-CH2-CH3 + Her —>

a. 1-bromobutene
b. 1-bromobutane
c. 2-bromobutane
d. 2-bromobutene

A

2-bromobutane

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15
Q
  1. How many molecules are in 1 mol of CO ?
A

6.022 x 10*23

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16
Q
  1. PIC
A
17
Q
  1. What is the mass percentage of table salt in solution if 2.5 g of NaCl is dissolved in 150 g of water ?
A

1.6%

18
Q
  1. Name the acid, the component of vinegar
A

acetic acid (ethanoic acid)

19
Q
  1. The formation of a solid product in a chemical reaction is represented by the symbol ..
A

(s)

20
Q
  1. To which class of organic compounds does the following compound belong?

H3C-CH2-NH2

A

amine

Chemistry (25 decks)

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