Gammexane (a -isomer) is:
1. BHC
2. Benzene hexachloride
3. Lindane
4. All of the above
During ozonolysis of , if hydrolysis is made in the absence of Zn dust, the products formed are:
1. | HCHO | 2. | HCOOH |
3. | CH3OH | 4. | CH2OHCH2OH |
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When 3,3-dimethyl-2-butanol is heated with conc. H2SO4, the major product obtained is:
1. 2,3-Dimethyl-2-butene
2. 3,3-Dimethyl-2-butene
3. 2,3-Dimethyl-1-butene
4. Cis and trans-isomers of 2,3-dimethyl-2-butene
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In a reaction,
M
M = molecules, R = reagent. M and R are
1. and NaOH
2. and aq.
3. and HCl
4. and heat
Ozonolysis (, ) of, gives :
1. +
2. +
3. +
4. none of the above
When was hydrolysed a gas was obtained. It had a garlic odour due to phosgene present as impurity. The gas was passed through ammoniacal solution of , a red ppt. was obtained. The gas was:
1. Ethylene 2. Propyne
3. Acetylene 4. Ethane
Products of the following reaction
... are
1. +
2. +
3. +
4. +
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Which reaction produces acrylonitrile ()?
1. Ethyne
2. Acrylic acid
3. Ethyne
4. Ethyne
In benzene, bond length is 1.39 ; the bond length is:
1. 1.39 2. 1.08
3. 1.54 4. 1.46
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What is the end product of the following sequences of operations?
A B C
1. | Methyl alcohol | 2. | Acetaldehyde |
3. | Ethyl alcohol | 4. | Ethene |
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