01. Alkenes
Hydrocarbons

230381 An alkene of molecule formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethylpropanal \& 2butanone, then the alkene is

1 2,2,4-trimethyl-3-hexene
2 2,2,6-trimethyl-3-hexene
3 2,3,4-trimethyl-2-hexene
4 2, 2,-dimethyl-2-hexene
Hydrocarbons

230382 $\mathrm{HBr}$ reacts with $\mathrm{CH}_2=\mathrm{CH}-\mathrm{OCH}_3$ under anhydrous conditions at room temperature to give

1 $\mathrm{BrCH}_2-\mathrm{CH}_2-\mathrm{OCH}_3$
2 $\mathrm{H}_3 \mathrm{C}-\mathrm{CHBr}-\mathrm{OCH}_3$
3 $\mathrm{CH}_3 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{Br}$
4 $\mathrm{BrCH}_2 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{OH}$
Hydrocarbons

230384 How many sigma and pi-bonds are there in the molecule of dicyanoethene $(\mathrm{CN}-\mathrm{CH}=\mathrm{CH}-\mathrm{CN})$ ?

1 3 sigma and 3 pi
2 5 sigma and 2 pi
3 7 sigma and 5 pi
4 2 sigma and 3 pi
Hydrocarbons

230385 An alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{12}$ on ozonolysis yields glyoxal and 2, 2-dimehtyl butane-1, 4-dial. The structure of alkene is

1 original image
2 original image
3 original image
4 original image
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Hydrocarbons

230381 An alkene of molecule formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethylpropanal \& 2butanone, then the alkene is

1 2,2,4-trimethyl-3-hexene
2 2,2,6-trimethyl-3-hexene
3 2,3,4-trimethyl-2-hexene
4 2, 2,-dimethyl-2-hexene
Hydrocarbons

230382 $\mathrm{HBr}$ reacts with $\mathrm{CH}_2=\mathrm{CH}-\mathrm{OCH}_3$ under anhydrous conditions at room temperature to give

1 $\mathrm{BrCH}_2-\mathrm{CH}_2-\mathrm{OCH}_3$
2 $\mathrm{H}_3 \mathrm{C}-\mathrm{CHBr}-\mathrm{OCH}_3$
3 $\mathrm{CH}_3 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{Br}$
4 $\mathrm{BrCH}_2 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{OH}$
Hydrocarbons

230384 How many sigma and pi-bonds are there in the molecule of dicyanoethene $(\mathrm{CN}-\mathrm{CH}=\mathrm{CH}-\mathrm{CN})$ ?

1 3 sigma and 3 pi
2 5 sigma and 2 pi
3 7 sigma and 5 pi
4 2 sigma and 3 pi
Hydrocarbons

230385 An alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{12}$ on ozonolysis yields glyoxal and 2, 2-dimehtyl butane-1, 4-dial. The structure of alkene is

1 original image
2 original image
3 original image
4 original image
Hydrocarbons

230381 An alkene of molecule formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethylpropanal \& 2butanone, then the alkene is

1 2,2,4-trimethyl-3-hexene
2 2,2,6-trimethyl-3-hexene
3 2,3,4-trimethyl-2-hexene
4 2, 2,-dimethyl-2-hexene
Hydrocarbons

230382 $\mathrm{HBr}$ reacts with $\mathrm{CH}_2=\mathrm{CH}-\mathrm{OCH}_3$ under anhydrous conditions at room temperature to give

1 $\mathrm{BrCH}_2-\mathrm{CH}_2-\mathrm{OCH}_3$
2 $\mathrm{H}_3 \mathrm{C}-\mathrm{CHBr}-\mathrm{OCH}_3$
3 $\mathrm{CH}_3 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{Br}$
4 $\mathrm{BrCH}_2 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{OH}$
Hydrocarbons

230384 How many sigma and pi-bonds are there in the molecule of dicyanoethene $(\mathrm{CN}-\mathrm{CH}=\mathrm{CH}-\mathrm{CN})$ ?

1 3 sigma and 3 pi
2 5 sigma and 2 pi
3 7 sigma and 5 pi
4 2 sigma and 3 pi
Hydrocarbons

230385 An alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{12}$ on ozonolysis yields glyoxal and 2, 2-dimehtyl butane-1, 4-dial. The structure of alkene is

1 original image
2 original image
3 original image
4 original image
Hydrocarbons

230381 An alkene of molecule formula $\mathrm{C}_9 \mathrm{H}_{18}$ on ozonolysis gives 2, 2-dimethylpropanal \& 2butanone, then the alkene is

1 2,2,4-trimethyl-3-hexene
2 2,2,6-trimethyl-3-hexene
3 2,3,4-trimethyl-2-hexene
4 2, 2,-dimethyl-2-hexene
Hydrocarbons

230382 $\mathrm{HBr}$ reacts with $\mathrm{CH}_2=\mathrm{CH}-\mathrm{OCH}_3$ under anhydrous conditions at room temperature to give

1 $\mathrm{BrCH}_2-\mathrm{CH}_2-\mathrm{OCH}_3$
2 $\mathrm{H}_3 \mathrm{C}-\mathrm{CHBr}-\mathrm{OCH}_3$
3 $\mathrm{CH}_3 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{Br}$
4 $\mathrm{BrCH}_2 \mathrm{CHO}$ and $\mathrm{CH}_3 \mathrm{OH}$
Hydrocarbons

230384 How many sigma and pi-bonds are there in the molecule of dicyanoethene $(\mathrm{CN}-\mathrm{CH}=\mathrm{CH}-\mathrm{CN})$ ?

1 3 sigma and 3 pi
2 5 sigma and 2 pi
3 7 sigma and 5 pi
4 2 sigma and 3 pi
Hydrocarbons

230385 An alkene having molecular formula $\mathrm{C}_8 \mathrm{H}_{12}$ on ozonolysis yields glyoxal and 2, 2-dimehtyl butane-1, 4-dial. The structure of alkene is

1 original image
2 original image
3 original image
4 original image