Which reaction produces acrylonitrile (CH2=CHCN)?
1. Ethyne HCN→Ba2+
2. Acrylic acid KCN→
3. Ethyne KCN→
4. Ethyne HOCl→
is not converted to
by:
1. Wolff-Kishner reaction
2. Clemmensen reduction
3. Red P + HI at 200°C
4. Wurtz's reaction
Products of the following reaction
CH3C≡C.CH2CH3(i) O3→(ii) Hydrolysis... are
1. CH3CHO + CH3CH2CHO
2. CH3COOH + CH3COCH3
3. CH3COOH + HOOC.CH2CH3
4. CH3COOH + CO2
Acetylene reacts with 42% H2SO4 containing 1% HgSO4 to give:
1. C2H5HSO4
2. CH3CHO
3. HCHO
4. CH2=CH2
When CaC2 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 Cu2Cl2, a red ppt. was obtained. The gas was:
1. ethylene
2. propyne
3. acetylene
4. ethane
Which of the following compounds with molecular formula, C5H10 yields acetone on ozonolysis?
1. 2-methyl-2-butene
2. 3-methyl-1-butene
3. Cyclopentane
4. 2-methyl-1-butene
Ozonolysis (O3, H2O2) of, CH3-CH|CH3-C≡C-CH3 gives :
1. CH3CH|CH3COOH+ CH3COOH
2. CH3CH|CH3CHO + CH3CHO
3. CH3CH|CH3CHO + CH3COOH
4. none of the above
In a reaction,
CH2=CH2Hypochlorous→acidMR→CH2OH|CH2OH
M = molecules, R = reagent. M and R are
1. CH3CH2Cl and NaOH
2. CH2Cl.CH2OH and aq. NaHCO3
3. CH3CH2OH and HCl
4. and heat
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
During ozonolysis of CH2=CH2 if hydrolysis is made in absence of Zn dust the products formed are:
1. HCHO 2. HCOOH
3. CH3OH 4. CH2OHCH2OH