Which of the following groups has highest inductive effect?
(A) \(CH_{3}\)-
(В) \(CH_{3}CH_{2}\)-
(C) \((CH_{3})_{2}CH\)-
(D) \((CH_{3})_{3}C-\)

Which of the following is the best electron releasing group when present on Benzene ring (A) \(CH_{3}\) (B) \(CH_{3}-CH_{2}\) (C) \(CH_{3})_{2}CH-\) (D) \(CH_{3})_{3}C-\)

Which of the following is most reactive towards \(CH_{3}ONa\) (A) \(CH_{3}COOC_{2}H_{5}\) (B) \(CH_{3}COCl\) (C) \(CH_{3}CONH_{2}\) (D) \(CH_{3}COOCOCH_{3}\)

Which of the following are chain isomers? (A) \(CH_{3}CH_{2}CH_{3}\) and \(CH_{3}CH_{2}CH_{2}CH_{3}\), (B) \(CH_{3}CHCl_{2}\)and \(CH_{2}ClCH_{2}Cl\) (C) \(CH_{3}CH_{2}CH_{2}OH\) and \(CH_{3}CH_{2}OH\) (D) \(CH_{3}CH_{2}CH_{2}CH_{3}\) and \((CH_{3})_{2}CHCH_{3}\)

Which of the following compounds cannot be prepared by the Wurtz reaction? (A) \(CH_{3}CH_{3}\) (B) \(CH_{3}CH(CH_{3})-CH_{3}\) (C)\(CH_{3}CH_{2}CH_{2}CH_{3}\) (D) All can be prepared

Arrange the following groups in order of increasing +I effect: CH_(3)^(-)," "(CH_(3))_(2)CH^(-)," "(CH_(3))_(3)C^(-)

Which of the following compounds exhibit geometrical isomerism? (A) CH_2=CH-CH_3 (B) CH_3-CH=CH-CH_3 (C) CH_3-CH=C=CH-CH_3 (D) CH_3-CH=C=C=CH-CH_3

Which of the following two structures are identical? (A) (C ) CH_3C(CH_3)_2underset(underset(CH_3)|)CH-CH_3 (D) CH_3CH_2CH(CH_3)CH_2CH_2CH_3

Which of the following carbocation is most stable ? (a) (CH_(3))_(3)C.overset(+)CH_(2) (b) (CH_(3))_(3)overset(+)C (c) CH_(3)CH_(2)overset(+)CH_(2) (d) CH_(3)overset(+)CHCH_(2)CH_(3)

Name of the following as substituted derivatives of ethylene. (a) CH_(3)-CH=CH-CH_(3) (b) CI_(2)C=CHCI (c) (CH_(3))_(2)C=CH_(2) (d) (CH_(2)=CH)_(2)C=CH_(2) (e) (CH_(2)=CH)-CH=CH-(CH=CH_(2))