325169
The total number of covalent and pi bonds in isoprene molecule is ___ .
1 10
2 15
3 12
4 14
Explanation:
The structure of isoprene is It contains 12 covalent and 2 pi bonds. Hence, the total number of covalent and pi bonds in isoprene molecule is 14 .
CHXII15:POLYMERS
325170
The chemical name of isoprene is
1 2-Methyl-1,3-butadiene
2 2-Chloro-1,3-butadiene
3 2-Methoxypropene
4 2-methyl butane
Explanation:
Chemical name of isoprene is 2-methyl 1,3-butadiene.
CHXII15:POLYMERS
325171
Ebonite is
1 Polypropene
2 Highly vulcanized rubber
3 Natural rubber
4 Synthetic rubber
Explanation:
Ebonite is a hard highly vulcanized rubber, containing 20 - 30% sulphur.
CHXII15:POLYMERS
325172
Assertion : The empirical formula of natural rubber is \(\mathrm{C}_{5} \mathrm{H}_{8}\) Reason : Natural rubber contains no conjugative double bonds.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Conceptual Questions
CHXII15:POLYMERS
325173
The process of vulcanisation of rubber was introduced by
1 Zeigler
2 MRF
3 Charles Goodyear
4 Wohler
Explanation:
The process of vulcanisation of rubber was introduced by Charles Goodyear.
325169
The total number of covalent and pi bonds in isoprene molecule is ___ .
1 10
2 15
3 12
4 14
Explanation:
The structure of isoprene is It contains 12 covalent and 2 pi bonds. Hence, the total number of covalent and pi bonds in isoprene molecule is 14 .
CHXII15:POLYMERS
325170
The chemical name of isoprene is
1 2-Methyl-1,3-butadiene
2 2-Chloro-1,3-butadiene
3 2-Methoxypropene
4 2-methyl butane
Explanation:
Chemical name of isoprene is 2-methyl 1,3-butadiene.
CHXII15:POLYMERS
325171
Ebonite is
1 Polypropene
2 Highly vulcanized rubber
3 Natural rubber
4 Synthetic rubber
Explanation:
Ebonite is a hard highly vulcanized rubber, containing 20 - 30% sulphur.
CHXII15:POLYMERS
325172
Assertion : The empirical formula of natural rubber is \(\mathrm{C}_{5} \mathrm{H}_{8}\) Reason : Natural rubber contains no conjugative double bonds.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Conceptual Questions
CHXII15:POLYMERS
325173
The process of vulcanisation of rubber was introduced by
1 Zeigler
2 MRF
3 Charles Goodyear
4 Wohler
Explanation:
The process of vulcanisation of rubber was introduced by Charles Goodyear.
325169
The total number of covalent and pi bonds in isoprene molecule is ___ .
1 10
2 15
3 12
4 14
Explanation:
The structure of isoprene is It contains 12 covalent and 2 pi bonds. Hence, the total number of covalent and pi bonds in isoprene molecule is 14 .
CHXII15:POLYMERS
325170
The chemical name of isoprene is
1 2-Methyl-1,3-butadiene
2 2-Chloro-1,3-butadiene
3 2-Methoxypropene
4 2-methyl butane
Explanation:
Chemical name of isoprene is 2-methyl 1,3-butadiene.
CHXII15:POLYMERS
325171
Ebonite is
1 Polypropene
2 Highly vulcanized rubber
3 Natural rubber
4 Synthetic rubber
Explanation:
Ebonite is a hard highly vulcanized rubber, containing 20 - 30% sulphur.
CHXII15:POLYMERS
325172
Assertion : The empirical formula of natural rubber is \(\mathrm{C}_{5} \mathrm{H}_{8}\) Reason : Natural rubber contains no conjugative double bonds.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Conceptual Questions
CHXII15:POLYMERS
325173
The process of vulcanisation of rubber was introduced by
1 Zeigler
2 MRF
3 Charles Goodyear
4 Wohler
Explanation:
The process of vulcanisation of rubber was introduced by Charles Goodyear.
325169
The total number of covalent and pi bonds in isoprene molecule is ___ .
1 10
2 15
3 12
4 14
Explanation:
The structure of isoprene is It contains 12 covalent and 2 pi bonds. Hence, the total number of covalent and pi bonds in isoprene molecule is 14 .
CHXII15:POLYMERS
325170
The chemical name of isoprene is
1 2-Methyl-1,3-butadiene
2 2-Chloro-1,3-butadiene
3 2-Methoxypropene
4 2-methyl butane
Explanation:
Chemical name of isoprene is 2-methyl 1,3-butadiene.
CHXII15:POLYMERS
325171
Ebonite is
1 Polypropene
2 Highly vulcanized rubber
3 Natural rubber
4 Synthetic rubber
Explanation:
Ebonite is a hard highly vulcanized rubber, containing 20 - 30% sulphur.
CHXII15:POLYMERS
325172
Assertion : The empirical formula of natural rubber is \(\mathrm{C}_{5} \mathrm{H}_{8}\) Reason : Natural rubber contains no conjugative double bonds.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Conceptual Questions
CHXII15:POLYMERS
325173
The process of vulcanisation of rubber was introduced by
1 Zeigler
2 MRF
3 Charles Goodyear
4 Wohler
Explanation:
The process of vulcanisation of rubber was introduced by Charles Goodyear.
325169
The total number of covalent and pi bonds in isoprene molecule is ___ .
1 10
2 15
3 12
4 14
Explanation:
The structure of isoprene is It contains 12 covalent and 2 pi bonds. Hence, the total number of covalent and pi bonds in isoprene molecule is 14 .
CHXII15:POLYMERS
325170
The chemical name of isoprene is
1 2-Methyl-1,3-butadiene
2 2-Chloro-1,3-butadiene
3 2-Methoxypropene
4 2-methyl butane
Explanation:
Chemical name of isoprene is 2-methyl 1,3-butadiene.
CHXII15:POLYMERS
325171
Ebonite is
1 Polypropene
2 Highly vulcanized rubber
3 Natural rubber
4 Synthetic rubber
Explanation:
Ebonite is a hard highly vulcanized rubber, containing 20 - 30% sulphur.
CHXII15:POLYMERS
325172
Assertion : The empirical formula of natural rubber is \(\mathrm{C}_{5} \mathrm{H}_{8}\) Reason : Natural rubber contains no conjugative double bonds.
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Explanation:
Conceptual Questions
CHXII15:POLYMERS
325173
The process of vulcanisation of rubber was introduced by
1 Zeigler
2 MRF
3 Charles Goodyear
4 Wohler
Explanation:
The process of vulcanisation of rubber was introduced by Charles Goodyear.
