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4,063 questions found — Page 153 of 163
MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Neopentyl chloride reacts with benzene in presence of a Lewis acid (AlCl3) to form (JIPMER 2018) (a) (b) (c) (d)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Identify the major product that is obtained on treatment of CH CH CH F CH with CH O / CH OH is (JIPMER 2018) (a) CH CH CH OCH CH (b) CH CH CHCH (c) CH CH CH CH (d) CH CH CH CH OCH SOLID STATE

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

CH OH/H (i) CO Mg/ether (ii)H O CH Br P ->->-> Which is the product ‘P’ in the above reaction? (JIPMER 2018)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Among the following, the suitable reagent for Wurtz reaction is (JIPMER 2018)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. A is (NEET 2018) (a) CH…

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

A bromoalkane ‘X’ reacts with magnesium in dry ether to form compound ‘Y’. The reaction of ‘Y’ with methanol followed by hydrolysis yield an alcohol having molecular formula, C4H10O. The compound ‘X’ is (AIIMS 2018)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Assertion (A): The boiling points of alkyl halides decreases in the order RI > RBr > RCl > RF Reason (R): The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarb…

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Alc.KOH CH CH CH Br -> Final product is (JIPMER 2019)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Identify compound X in the following sequences of reactions: (NEET 2020) (a) (b) (c) (d)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Consider the following (I) (II) (III) (IV) when attached to sp 3 -hybridized carbon, their leaving group ability in nucleophilic substitution reactions decreases in the order:

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Which of the following statements is correct about Retention / inversion of configuration during the course of a reaction? (a)Configuration is retained if reagent attacks from the same side of leaving group. (b)Config…

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Which is the best solvent to use for the solvolysis reaction of t-butyl chloride?

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

The compound most reactive towards SN1 reaction is

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Which of the following is an example of SN2 reaction? (a) CH Br OH CH OH Br -> (b) CH3 C CH3 CH3 Cl - Cl- CH3 C CH3 CH3 + Cl CH3 C CH3 CH3 + OH CH3 C CH3 CH3 OH H2O .. .. Θ Me-O-CH -Cl Me-O-CH Cl Me-O=CH…

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

The organic chloro compound, which shows complete stereochemical inversion during an SN2reaction is

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

An SN2 reaction at an asymmetric carbon of a compound always gives

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

CH CD CH CHCD3 CH CD C CHCD CD CD CH CHCH3 CH CD CHCH2CD3 SOLID STATE The major product obtained when this substrate is subjected to E1 reaction will be (a) (b) (c)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Find the major product of the following reaction: (a) (b) (c) (d)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Debromination of meso dibromobutane will give the product as:

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

1-hexene is formed when methoxide reacts with

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

CH CH CH CH Br DMF CH CH O -> This reaction would follow which of the following pathway predominantly?

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Which of the following is the best synthesis of compound shown? (a) (b) (c) (d)

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Which of the following bases would give the best yield for the substitution product when reacted with 2-chloropropane?

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Assertion: Consider the following synthesis CH3ONa + PhBr Path–II yields better yield of product than Path-I. Reason: CH3ONa is stronger base than PhONa.

MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryAlkyl and Aryl Halides

Assertion: Benzyl bromide when kept in acetone – water, produces benzyl alcohol. Reason: The reaction follows SN2 mechanism.

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