1:   Which of the following is not an electophile
Options:
  1. AlBr3
  2. BF3
  3. NH3
  4. all the above

Answer: Option 3

Explanation:

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2:   Which has the highest nucleophilicity
Options:
  1. F negative ion
  2. CH3 negative ion
  3. NH2 negative ion
  4. 1 and 2 both

Answer: Option 2

Explanation:

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3:   Which behaves both as nucleophile and electrophile
Options:
  1. CH3NH2
  2. CH3OH
  3. CH3CN
  4. all the above

Answer: Option 3

Explanation:

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4:   Which of the following is an electrophile
Options:
  1. H2O
  2. OH negative ion
  3. NO2 positive ion
  4. all the above

Answer: Option 3

Explanation:

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5:   The general formula CnH2nO2 could be open chain
Options:
  1. dialdehydes
  2. diketones
  3. carboxylic acid
  4. none of these

Answer: Option 3

Explanation:

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6:   The shape of carbanion CH3 negative is
Options:
  1. linear
  2. pyramidal
  3. planar
  4. none of these

Answer: Option 2

Explanation:

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7:   (CH3)-CH-O-CH2-CH2-CH3 is
Options:
  1. isopropyl propyl ether
  2. dipropyl ether
  3. isopropyl ether
  4. none of these

Answer: Option 1

Explanation:

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8:   Which of the following groups has the highest +I effect
Options:
  1. CH3-
  2. (CH3)3C-
  3. CH3CH2-
  4. all the above have same effect

Answer: Option 2

Explanation:

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9:   The bond angle in CCl4 is about ----degree
Options:
  1. 90
  2. 109
  3. 72
  4. 180

Answer: Option 2

Explanation:

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10:   Which of the following exerts maximum -I effect
Options:
  1. C6H5-
  2. -OCH3
  3. -Cl
  4. -NO2

Answer: Option 4

Explanation:

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-Abu Bakr al-Siddiq