Alkenes
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXI13:HYDROCARBONS

317995 The correct order of heat of hydrogenation of given molecules is :
(A)
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(B)
supporting img
(C)
supporting img
(D)
supporting img

1 \({\text{D > C > A > B}}\)
2 \({\text{D > C > B > A}}\)
3 \({\text{B > A > C > D}}\)
4 \({\text{D > A > C > B}}\)
CHXI13:HYDROCARBONS

317996 Assertion :
Ethene on treating with \(\mathrm{Br}_{2}\) in presence of \(\mathrm{NaCl}\) forms \(\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{Br}\) and \(\mathrm{CH}_{2} \mathrm{BrCH}_{2} \mathrm{Br}\).
Reason :
This addition involves the formation of free radicals.

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.
CHXI13:HYDROCARBONS

317997 Following is free radical allylic bromination reaction.
supporting img

How many different monobromination product(s) are expected in the above reaction ?

1 1
2 4
3 6
4 5
CHXI13:HYDROCARBONS

317998 The intermediate formed during the addition of
\(\mathrm{HCl}\) to propene in the presence of peroxide is

1 \(\rm{CH_3\dot CHCH_2CI}\)
2 \({\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {\rm{HC}}{{\rm{H}}_{\rm{3}}}\)
3 \(\rm{CH_3CH_2\dot CH_2}\)
4 \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {{\rm{H}}_{\rm{2}}}\)
CHXI13:HYDROCARBONS

317995 The correct order of heat of hydrogenation of given molecules is :
(A)
supporting img
(B)
supporting img
(C)
supporting img
(D)
supporting img

1 \({\text{D > C > A > B}}\)
2 \({\text{D > C > B > A}}\)
3 \({\text{B > A > C > D}}\)
4 \({\text{D > A > C > B}}\)
CHXI13:HYDROCARBONS

317996 Assertion :
Ethene on treating with \(\mathrm{Br}_{2}\) in presence of \(\mathrm{NaCl}\) forms \(\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{Br}\) and \(\mathrm{CH}_{2} \mathrm{BrCH}_{2} \mathrm{Br}\).
Reason :
This addition involves the formation of free radicals.

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.
CHXI13:HYDROCARBONS

317997 Following is free radical allylic bromination reaction.
supporting img

How many different monobromination product(s) are expected in the above reaction ?

1 1
2 4
3 6
4 5
CHXI13:HYDROCARBONS

317998 The intermediate formed during the addition of
\(\mathrm{HCl}\) to propene in the presence of peroxide is

1 \(\rm{CH_3\dot CHCH_2CI}\)
2 \({\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {\rm{HC}}{{\rm{H}}_{\rm{3}}}\)
3 \(\rm{CH_3CH_2\dot CH_2}\)
4 \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {{\rm{H}}_{\rm{2}}}\)
CHXI13:HYDROCARBONS

317995 The correct order of heat of hydrogenation of given molecules is :
(A)
supporting img
(B)
supporting img
(C)
supporting img
(D)
supporting img

1 \({\text{D > C > A > B}}\)
2 \({\text{D > C > B > A}}\)
3 \({\text{B > A > C > D}}\)
4 \({\text{D > A > C > B}}\)
CHXI13:HYDROCARBONS

317996 Assertion :
Ethene on treating with \(\mathrm{Br}_{2}\) in presence of \(\mathrm{NaCl}\) forms \(\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{Br}\) and \(\mathrm{CH}_{2} \mathrm{BrCH}_{2} \mathrm{Br}\).
Reason :
This addition involves the formation of free radicals.

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.
CHXI13:HYDROCARBONS

317997 Following is free radical allylic bromination reaction.
supporting img

How many different monobromination product(s) are expected in the above reaction ?

1 1
2 4
3 6
4 5
CHXI13:HYDROCARBONS

317998 The intermediate formed during the addition of
\(\mathrm{HCl}\) to propene in the presence of peroxide is

1 \(\rm{CH_3\dot CHCH_2CI}\)
2 \({\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {\rm{HC}}{{\rm{H}}_{\rm{3}}}\)
3 \(\rm{CH_3CH_2\dot CH_2}\)
4 \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {{\rm{H}}_{\rm{2}}}\)
CHXI13:HYDROCARBONS

317995 The correct order of heat of hydrogenation of given molecules is :
(A)
supporting img
(B)
supporting img
(C)
supporting img
(D)
supporting img

1 \({\text{D > C > A > B}}\)
2 \({\text{D > C > B > A}}\)
3 \({\text{B > A > C > D}}\)
4 \({\text{D > A > C > B}}\)
CHXI13:HYDROCARBONS

317996 Assertion :
Ethene on treating with \(\mathrm{Br}_{2}\) in presence of \(\mathrm{NaCl}\) forms \(\mathrm{CH}_{2} \mathrm{ClCH}_{2} \mathrm{Br}\) and \(\mathrm{CH}_{2} \mathrm{BrCH}_{2} \mathrm{Br}\).
Reason :
This addition involves the formation of free radicals.

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.
CHXI13:HYDROCARBONS

317997 Following is free radical allylic bromination reaction.
supporting img

How many different monobromination product(s) are expected in the above reaction ?

1 1
2 4
3 6
4 5
CHXI13:HYDROCARBONS

317998 The intermediate formed during the addition of
\(\mathrm{HCl}\) to propene in the presence of peroxide is

1 \(\rm{CH_3\dot CHCH_2CI}\)
2 \({\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {\rm{HC}}{{\rm{H}}_{\rm{3}}}\)
3 \(\rm{CH_3CH_2\dot CH_2}\)
4 \({\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{C}}{{\rm{H}}_{\rm{2}}}\mathop {\rm{C}}\limits^{{\rm{ + }}} {{\rm{H}}_{\rm{2}}}\)