Question 61 : Benzene _________ oxidized by kMnO₄ or K₂Cr₂O₇
1. is
2. are not
3. none of above
4. is not
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Question 62 : Alkanes are __________ in water.
1. none of above
2. soluble
3. insoluble
4. solvent
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Question 63 : The _________ directing groups
1. none of above
2. para
3. meta
4. ortho
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Question 64 : Benzene is ____________ in alcohol (or in soluble).
1. insoluble
2. soluble
3. none of above
4. solute
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Question 65 : Ethylene is a ________ molecule.
1. nil
2. polar
3. none of above
4. nonpolar
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Question 66 : ________is used as a synthetic fibre.
1. nil
2. vinyl acetate
3. acrylonitrile
4. none of above
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Question 67 : Alkenes__________the colour of basic solution of KMnO
1. charge
2. discharge
3. none of above
4. nil
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Question 68 : The acylation of benzene is called__________ reaction.
1. wurtz
2. ke Wa
3. none of above
4. Friedel and craft
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Question 69 : Benzene was discovered by
1. We ke
2. none of above
3. Faraday
4. ke We
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Question 70 : __________group acts as a negative group in Ho x molecules.
1. none of above
2. halogen
3. nil
4. hydroxyl
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